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Title: io — Core tools for working with streams — Python 3.14.2 documentation

Open Graph Title: io — Core tools for working with streams

Description: Source code: Lib/io.py Overview: The io module provides Python’s main facilities for dealing with various types of I/O. There are three main types of I/O: text I/O, binary I/O and raw I/O. These ar...

Open Graph Description: Source code: Lib/io.py Overview: The io module provides Python’s main facilities for dealing with various types of I/O. There are three main types of I/O: text I/O, binary I/O and raw I/O. These ar...

Opengraph URL: https://docs.python.org/3/library/io.html

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Domain: docs.python.org

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og:image:height	600
og:image	https://docs.python.org/3.14/_images/social_previews/summary_library_io_b81db5bf.png
og:image:alt	Source code: Lib/io.py Overview: The io module provides Python’s main facilities for dealing with various types of I/O. There are three main types of I/O: text I/O, binary I/O and raw I/O. These ar...
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theme-color	#3776ab
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Links:

	https://www.python.org/
Table of Contents	https://docs.python.org/contents.html
io — Core tools for working with streams	https://docs.python.org/library/io.html
Overview	https://docs.python.org/library/io.html#overview
Text I/O	https://docs.python.org/library/io.html#text-i-o
Binary I/O	https://docs.python.org/library/io.html#binary-i-o
Raw I/O	https://docs.python.org/library/io.html#raw-i-o
Text Encoding	https://docs.python.org/library/io.html#text-encoding
Opt-in EncodingWarning	https://docs.python.org/library/io.html#opt-in-encodingwarning
High-level Module Interface	https://docs.python.org/library/io.html#high-level-module-interface
Class hierarchy	https://docs.python.org/library/io.html#class-hierarchy
I/O Base Classes	https://docs.python.org/library/io.html#i-o-base-classes
Raw File I/O	https://docs.python.org/library/io.html#raw-file-i-o
Buffered Streams	https://docs.python.org/library/io.html#buffered-streams
Text I/O	https://docs.python.org/library/io.html#id1
Static Typing	https://docs.python.org/library/io.html#static-typing
Performance	https://docs.python.org/library/io.html#performance
Binary I/O	https://docs.python.org/library/io.html#id2
Text I/O	https://docs.python.org/library/io.html#id3
Multi-threading	https://docs.python.org/library/io.html#multi-threading
Reentrancy	https://docs.python.org/library/io.html#reentrancy
os — Miscellaneous operating system interfaces	https://docs.python.org/library/os.html
time — Time access and conversions	https://docs.python.org/library/time.html
Report a bug	https://docs.python.org/bugs.html
Show source	https://github.com/python/cpython/blob/main/Doc/library/io.rst?plain=1
index	https://docs.python.org/genindex.html
modules	https://docs.python.org/py-modindex.html
next	https://docs.python.org/library/time.html
previous	https://docs.python.org/library/os.html
Python	https://www.python.org/
3.14.2 Documentation	https://docs.python.org/index.html
The Python Standard Library	https://docs.python.org/library/index.html
Generic Operating System Services	https://docs.python.org/library/allos.html
io — Core tools for working with streams	https://docs.python.org/library/io.html
¶	https://docs.python.org/library/io.html#module-io
Lib/io.py	https://github.com/python/cpython/tree/3.14/Lib/io.py
¶	https://docs.python.org/library/io.html#overview
io	https://docs.python.org/library/io.html#module-io
file object	https://docs.python.org/glossary.html#term-file-object
str	https://docs.python.org/library/stdtypes.html#str
TypeError	https://docs.python.org/library/exceptions.html#TypeError
bytes	https://docs.python.org/library/stdtypes.html#bytes
IOError	https://docs.python.org/library/exceptions.html#IOError
OSError	https://docs.python.org/library/exceptions.html#OSError
IOError	https://docs.python.org/library/exceptions.html#IOError
OSError	https://docs.python.org/library/exceptions.html#OSError
¶	https://docs.python.org/library/io.html#text-i-o
str	https://docs.python.org/library/stdtypes.html#str
open()	https://docs.python.org/library/functions.html#open
StringIO	https://docs.python.org/library/io.html#io.StringIO
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
¶	https://docs.python.org/library/io.html#binary-i-o
bytes-like objects	https://docs.python.org/glossary.html#term-bytes-like-object
bytes	https://docs.python.org/library/stdtypes.html#bytes
open()	https://docs.python.org/library/functions.html#open
BytesIO	https://docs.python.org/library/io.html#io.BytesIO
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
socket.socket.makefile()	https://docs.python.org/library/socket.html#socket.socket.makefile
¶	https://docs.python.org/library/io.html#raw-i-o
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
¶	https://docs.python.org/library/io.html#text-encoding
TextIOWrapper	https://docs.python.org/library/io.html#io.TextIOWrapper
open()	https://docs.python.org/library/functions.html#open
locale.getencoding()	https://docs.python.org/library/locale.html#locale.getencoding
Python UTF-8 Mode	https://docs.python.org/library/os.html#utf8-mode
PEP 686	https://peps.python.org/pep-0686/
Python UTF-8 Mode	https://docs.python.org/library/os.html#utf8-mode
¶	https://docs.python.org/library/io.html#opt-in-encodingwarning
PEP 597	https://peps.python.org/pep-0597/
-X warn_default_encoding	https://docs.python.org/using/cmdline.html#cmdoption-X
PYTHONWARNDEFAULTENCODING	https://docs.python.org/using/cmdline.html#envvar-PYTHONWARNDEFAULTENCODING
EncodingWarning	https://docs.python.org/library/exceptions.html#EncodingWarning
open()	https://docs.python.org/library/functions.html#open
TextIOWrapper	https://docs.python.org/library/io.html#io.TextIOWrapper
text_encoding()	https://docs.python.org/library/io.html#io.text_encoding
EncodingWarning	https://docs.python.org/library/exceptions.html#EncodingWarning
¶	https://docs.python.org/library/io.html#high-level-module-interface
¶	https://docs.python.org/library/io.html#io.DEFAULT_BUFFER_SIZE
open()	https://docs.python.org/library/functions.html#open
os.stat()	https://docs.python.org/library/os.html#os.stat
¶	https://docs.python.org/library/io.html#io.open
open()	https://docs.python.org/library/functions.html#open
auditing event	https://docs.python.org/library/sys.html#auditing
¶	https://docs.python.org/library/io.html#io.open_code
str	https://docs.python.org/library/stdtypes.html#str
PyFile_SetOpenCodeHook()	https://docs.python.org/c-api/file.html#c.PyFile_SetOpenCodeHook
str	https://docs.python.org/library/stdtypes.html#str
¶	https://docs.python.org/library/io.html#io.text_encoding
open()	https://docs.python.org/library/functions.html#open
TextIOWrapper	https://docs.python.org/library/io.html#io.TextIOWrapper
UTF-8 Mode	https://docs.python.org/library/os.html#utf8-mode
EncodingWarning	https://docs.python.org/library/exceptions.html#EncodingWarning
sys.flags.warn_default_encoding	https://docs.python.org/library/sys.html#sys.flags
EncodingWarning	https://docs.python.org/library/exceptions.html#EncodingWarning
Text Encoding	https://docs.python.org/library/io.html#io-text-encoding
text_encoding()	https://docs.python.org/library/io.html#io.text_encoding
¶	https://docs.python.org/library/io.html#io.BlockingIOError
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
¶	https://docs.python.org/library/io.html#io.UnsupportedOperation
OSError	https://docs.python.org/library/exceptions.html#OSError
ValueError	https://docs.python.org/library/exceptions.html#ValueError
sys	https://docs.python.org/library/sys.html#module-sys
sys.stdin	https://docs.python.org/library/sys.html#sys.stdin
sys.stdout	https://docs.python.org/library/sys.html#sys.stdout
sys.stderr	https://docs.python.org/library/sys.html#sys.stderr
¶	https://docs.python.org/library/io.html#class-hierarchy
abstract base classes	https://docs.python.org/glossary.html#term-abstract-base-class
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
UnsupportedOperation	https://docs.python.org/library/io.html#io.UnsupportedOperation
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
FileIO	https://docs.python.org/library/io.html#io.FileIO
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
BufferedWriter	https://docs.python.org/library/io.html#io.BufferedWriter
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
BufferedRWPair	https://docs.python.org/library/io.html#io.BufferedRWPair
BufferedRandom	https://docs.python.org/library/io.html#io.BufferedRandom
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
BytesIO	https://docs.python.org/library/io.html#io.BytesIO
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
TextIOWrapper	https://docs.python.org/library/io.html#io.TextIOWrapper
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
StringIO	https://docs.python.org/library/io.html#io.StringIO
open()	https://docs.python.org/library/functions.html#open
io	https://docs.python.org/library/io.html#module-io
IOBase	https://docs.python.org/library/io.html#io.IOBase
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#i-o-base-classes
¶	https://docs.python.org/library/io.html#io.IOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
ValueError	https://docs.python.org/library/exceptions.html#ValueError
UnsupportedOperation	https://docs.python.org/library/io.html#io.UnsupportedOperation
bytes	https://docs.python.org/library/stdtypes.html#bytes
bytes-like objects	https://docs.python.org/glossary.html#term-bytes-like-object
str	https://docs.python.org/library/stdtypes.html#str
ValueError	https://docs.python.org/library/exceptions.html#ValueError
IOBase	https://docs.python.org/library/io.html#io.IOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
readline()	https://docs.python.org/library/io.html#io.IOBase.readline
IOBase	https://docs.python.org/library/io.html#io.IOBase
with	https://docs.python.org/reference/compound_stmts.html#with
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.IOBase.close
ValueError	https://docs.python.org/library/exceptions.html#ValueError
¶	https://docs.python.org/library/io.html#io.IOBase.closed
¶	https://docs.python.org/library/io.html#io.IOBase.fileno
OSError	https://docs.python.org/library/exceptions.html#OSError
¶	https://docs.python.org/library/io.html#io.IOBase.flush
¶	https://docs.python.org/library/io.html#io.IOBase.isatty
¶	https://docs.python.org/library/io.html#io.IOBase.readable
OSError	https://docs.python.org/library/exceptions.html#OSError
¶	https://docs.python.org/library/io.html#io.IOBase.readline
open()	https://docs.python.org/library/functions.html#open
¶	https://docs.python.org/library/io.html#io.IOBase.readlines
¶	https://docs.python.org/library/io.html#io.IOBase.seek
os.SEEK_SET	https://docs.python.org/library/os.html#os.SEEK_SET
os.SEEK_CUR	https://docs.python.org/library/os.html#os.SEEK_CUR
os.SEEK_END	https://docs.python.org/library/os.html#os.SEEK_END
os.SEEK_HOLE	https://docs.python.org/library/os.html#os.SEEK_HOLE
os.SEEK_DATA	https://docs.python.org/library/os.html#os.SEEK_DATA
¶	https://docs.python.org/library/io.html#io.IOBase.seekable
seek()	https://docs.python.org/library/io.html#io.IOBase.seek
tell()	https://docs.python.org/library/io.html#io.IOBase.tell
truncate()	https://docs.python.org/library/io.html#io.IOBase.truncate
OSError	https://docs.python.org/library/exceptions.html#OSError
¶	https://docs.python.org/library/io.html#io.IOBase.tell
¶	https://docs.python.org/library/io.html#io.IOBase.truncate
¶	https://docs.python.org/library/io.html#io.IOBase.writable
truncate()	https://docs.python.org/library/io.html#io.IOBase.truncate
OSError	https://docs.python.org/library/exceptions.html#OSError
¶	https://docs.python.org/library/io.html#io.IOBase.writelines
¶	https://docs.python.org/library/io.html#io.IOBase.__del__
IOBase	https://docs.python.org/library/io.html#io.IOBase
close()	https://docs.python.org/library/io.html#io.IOBase.close
¶	https://docs.python.org/library/io.html#io.RawIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.RawIOBase.read
readall()	https://docs.python.org/library/io.html#io.RawIOBase.readall
readinto()	https://docs.python.org/library/io.html#io.RawIOBase.readinto
¶	https://docs.python.org/library/io.html#io.RawIOBase.readall
¶	https://docs.python.org/library/io.html#io.RawIOBase.readinto
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
bytearray	https://docs.python.org/library/stdtypes.html#bytearray
¶	https://docs.python.org/library/io.html#io.RawIOBase.write
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
¶	https://docs.python.org/library/io.html#io.BufferedIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
read()	https://docs.python.org/library/io.html#io.BufferedIOBase.read
readinto()	https://docs.python.org/library/io.html#io.BufferedIOBase.readinto
write()	https://docs.python.org/library/io.html#io.BufferedIOBase.write
write()	https://docs.python.org/library/io.html#io.BufferedIOBase.write
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
BlockingIOError.characters_written	https://docs.python.org/library/exceptions.html#BlockingIOError.characters_written
read()	https://docs.python.org/library/io.html#io.BufferedIOBase.read
read()	https://docs.python.org/library/io.html#io.BufferedIOBase.read
readinto()	https://docs.python.org/library/io.html#io.BufferedIOBase.readinto
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
BufferedWriter	https://docs.python.org/library/io.html#io.BufferedWriter
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.BufferedIOBase.raw
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
¶	https://docs.python.org/library/io.html#io.BufferedIOBase.detach
BytesIO	https://docs.python.org/library/io.html#io.BytesIO
UnsupportedOperation	https://docs.python.org/library/io.html#io.UnsupportedOperation
¶	https://docs.python.org/library/io.html#io.BufferedIOBase.read
bytes	https://docs.python.org/library/stdtypes.html#bytes
os.read()	https://docs.python.org/library/os.html#os.read
PEP 475	https://peps.python.org/pep-0475/
RawIOBase.readall()	https://docs.python.org/library/io.html#io.RawIOBase.readall
bytes	https://docs.python.org/library/stdtypes.html#bytes
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
io	https://docs.python.org/library/io.html#module-io
¶	https://docs.python.org/library/io.html#io.BufferedIOBase.read1
readinto()	https://docs.python.org/library/io.html#io.RawIOBase.readinto
EINTR	https://docs.python.org/library/errno.html#errno.EINTR
PEP 475	https://peps.python.org/pep-0475/
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
io	https://docs.python.org/library/io.html#module-io
¶	https://docs.python.org/library/io.html#io.BufferedIOBase.readinto
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
bytearray	https://docs.python.org/library/stdtypes.html#bytearray
read()	https://docs.python.org/library/io.html#io.BufferedIOBase.read
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
¶	https://docs.python.org/library/io.html#io.BufferedIOBase.readinto1
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
read()	https://docs.python.org/library/io.html#io.RawIOBase.read
readinto()	https://docs.python.org/library/io.html#io.RawIOBase.readinto
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
¶	https://docs.python.org/library/io.html#io.BufferedIOBase.write
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
OSError	https://docs.python.org/library/exceptions.html#OSError
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
¶	https://docs.python.org/library/io.html#raw-file-i-o
¶	https://docs.python.org/library/io.html#io.FileIO
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
bytes	https://docs.python.org/library/stdtypes.html#bytes
FileIO	https://docs.python.org/library/io.html#io.FileIO
FileExistsError	https://docs.python.org/library/exceptions.html#FileExistsError
read()	https://docs.python.org/library/io.html#io.RawIOBase.read
readinto()	https://docs.python.org/library/io.html#io.RawIOBase.readinto
write()	https://docs.python.org/library/io.html#io.RawIOBase.write
os.open	https://docs.python.org/library/os.html#os.open
non-inheritable	https://docs.python.org/library/os.html#fd-inheritance
open()	https://docs.python.org/library/functions.html#open
FileIO	https://docs.python.org/library/io.html#io.FileIO
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.FileIO.mode
¶	https://docs.python.org/library/io.html#io.FileIO.name
¶	https://docs.python.org/library/io.html#buffered-streams
¶	https://docs.python.org/library/io.html#io.BytesIO
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
close()	https://docs.python.org/library/io.html#io.IOBase.close
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
BytesIO	https://docs.python.org/library/io.html#io.BytesIO
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.BytesIO.getbuffer
BytesIO	https://docs.python.org/library/io.html#io.BytesIO
¶	https://docs.python.org/library/io.html#io.BytesIO.getvalue
bytes	https://docs.python.org/library/stdtypes.html#bytes
¶	https://docs.python.org/library/io.html#io.BytesIO.read1
BytesIO	https://docs.python.org/library/io.html#io.BytesIO
read()	https://docs.python.org/library/io.html#io.BufferedIOBase.read
¶	https://docs.python.org/library/io.html#io.BytesIO.readinto1
BytesIO	https://docs.python.org/library/io.html#io.BytesIO
readinto()	https://docs.python.org/library/io.html#io.BufferedIOBase.readinto
¶	https://docs.python.org/library/io.html#io.BufferedReader
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
DEFAULT_BUFFER_SIZE	https://docs.python.org/library/io.html#io.DEFAULT_BUFFER_SIZE
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.BufferedReader.peek
¶	https://docs.python.org/library/io.html#io.BufferedReader.read
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
io.BufferedIOBase.read()	https://docs.python.org/library/io.html#io.BufferedIOBase.read
¶	https://docs.python.org/library/io.html#io.BufferedReader.read1
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
io.BufferedIOBase.read1()	https://docs.python.org/library/io.html#io.BufferedIOBase.read1
¶	https://docs.python.org/library/io.html#io.BufferedWriter
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
flush()	https://docs.python.org/library/io.html#io.BufferedWriter.flush
seek()	https://docs.python.org/library/io.html#io.IOBase.seek
BufferedRandom	https://docs.python.org/library/io.html#io.BufferedRandom
BufferedWriter	https://docs.python.org/library/io.html#io.BufferedWriter
BufferedWriter	https://docs.python.org/library/io.html#io.BufferedWriter
DEFAULT_BUFFER_SIZE	https://docs.python.org/library/io.html#io.DEFAULT_BUFFER_SIZE
BufferedWriter	https://docs.python.org/library/io.html#io.BufferedWriter
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.BufferedWriter.flush
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
¶	https://docs.python.org/library/io.html#io.BufferedWriter.write
bytes-like object	https://docs.python.org/glossary.html#term-bytes-like-object
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
BlockingIOError.characters_written	https://docs.python.org/library/exceptions.html#BlockingIOError.characters_written
¶	https://docs.python.org/library/io.html#io.BufferedRandom
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
BufferedWriter	https://docs.python.org/library/io.html#io.BufferedWriter
DEFAULT_BUFFER_SIZE	https://docs.python.org/library/io.html#io.DEFAULT_BUFFER_SIZE
BufferedRandom	https://docs.python.org/library/io.html#io.BufferedRandom
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
BufferedWriter	https://docs.python.org/library/io.html#io.BufferedWriter
seek()	https://docs.python.org/library/io.html#io.IOBase.seek
tell()	https://docs.python.org/library/io.html#io.IOBase.tell
¶	https://docs.python.org/library/io.html#io.BufferedRWPair
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
DEFAULT_BUFFER_SIZE	https://docs.python.org/library/io.html#io.DEFAULT_BUFFER_SIZE
BufferedRWPair	https://docs.python.org/library/io.html#io.BufferedRWPair
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
detach()	https://docs.python.org/library/io.html#io.BufferedIOBase.detach
UnsupportedOperation	https://docs.python.org/library/io.html#io.UnsupportedOperation
BufferedRWPair	https://docs.python.org/library/io.html#io.BufferedRWPair
BufferedRandom	https://docs.python.org/library/io.html#io.BufferedRandom
¶	https://docs.python.org/library/io.html#id1
¶	https://docs.python.org/library/io.html#io.TextIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.TextIOBase.encoding
¶	https://docs.python.org/library/io.html#io.TextIOBase.errors
¶	https://docs.python.org/library/io.html#io.TextIOBase.newlines
¶	https://docs.python.org/library/io.html#io.TextIOBase.buffer
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
RawIOBase	https://docs.python.org/library/io.html#io.RawIOBase
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
¶	https://docs.python.org/library/io.html#io.TextIOBase.detach
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
StringIO	https://docs.python.org/library/io.html#io.StringIO
UnsupportedOperation	https://docs.python.org/library/io.html#io.UnsupportedOperation
¶	https://docs.python.org/library/io.html#io.TextIOBase.read
str	https://docs.python.org/library/stdtypes.html#str
¶	https://docs.python.org/library/io.html#io.TextIOBase.readline
str	https://docs.python.org/library/stdtypes.html#str
¶	https://docs.python.org/library/io.html#io.TextIOBase.seek
TextIOBase.tell()	https://docs.python.org/library/io.html#io.TextIOBase.tell
¶	https://docs.python.org/library/io.html#io.TextIOBase.tell
¶	https://docs.python.org/library/io.html#io.TextIOBase.write
¶	https://docs.python.org/library/io.html#io.TextIOWrapper
BufferedIOBase	https://docs.python.org/library/io.html#io.BufferedIOBase
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
UTF-8 Mode	https://docs.python.org/library/os.html#utf8-mode
locale.getencoding()	https://docs.python.org/library/locale.html#locale.getencoding
Text Encoding	https://docs.python.org/library/io.html#io-text-encoding
ValueError	https://docs.python.org/library/exceptions.html#ValueError
codecs.register_error()	https://docs.python.org/library/codecs.html#codecs.register_error
universal newlines	https://docs.python.org/glossary.html#term-universal-newlines
os.linesep	https://docs.python.org/library/os.html#os.linesep
flush()	https://docs.python.org/library/io.html#io.IOBase.flush
write()	https://docs.python.org/library/io.html#io.BufferedIOBase.write
TextIOWrapper	https://docs.python.org/library/io.html#io.TextIOWrapper
locale.setlocale()	https://docs.python.org/library/locale.html#locale.setlocale
BlockingIOError	https://docs.python.org/library/exceptions.html#BlockingIOError
TextIOWrapper	https://docs.python.org/library/io.html#io.TextIOWrapper
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.TextIOWrapper.line_buffering
¶	https://docs.python.org/library/io.html#io.TextIOWrapper.write_through
¶	https://docs.python.org/library/io.html#io.TextIOWrapper.reconfigure
¶	https://docs.python.org/library/io.html#io.TextIOWrapper.seek
int	https://docs.python.org/library/functions.html#int
tell()	https://docs.python.org/library/io.html#io.TextIOWrapper.tell
os.SEEK_SET	https://docs.python.org/library/os.html#os.SEEK_SET
os.SEEK_CUR	https://docs.python.org/library/os.html#os.SEEK_CUR
os.SEEK_END	https://docs.python.org/library/os.html#os.SEEK_END
¶	https://docs.python.org/library/io.html#io.TextIOWrapper.tell
seek()	https://docs.python.org/library/io.html#io.TextIOWrapper.seek
¶	https://docs.python.org/library/io.html#io.StringIO
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
close()	https://docs.python.org/library/io.html#io.IOBase.close
write()	https://docs.python.org/library/io.html#io.TextIOBase.write
TextIOWrapper	https://docs.python.org/library/io.html#io.TextIOWrapper
StringIO	https://docs.python.org/library/io.html#io.StringIO
TextIOBase	https://docs.python.org/library/io.html#io.TextIOBase
IOBase	https://docs.python.org/library/io.html#io.IOBase
¶	https://docs.python.org/library/io.html#io.StringIO.getvalue
str	https://docs.python.org/library/stdtypes.html#str
read()	https://docs.python.org/library/io.html#io.TextIOBase.read
¶	https://docs.python.org/library/io.html#io.IncrementalNewlineDecoder
universal newlines	https://docs.python.org/glossary.html#term-universal-newlines
codecs.IncrementalDecoder	https://docs.python.org/library/codecs.html#codecs.IncrementalDecoder
¶	https://docs.python.org/library/io.html#static-typing
@typing.runtime_checkable	https://docs.python.org/library/typing.html#typing.runtime_checkable
¶	https://docs.python.org/library/io.html#io.Reader
str	https://docs.python.org/library/stdtypes.html#str
bytes	https://docs.python.org/library/stdtypes.html#bytes
¶	https://docs.python.org/library/io.html#io.Reader.read
¶	https://docs.python.org/library/io.html#io.Writer
str	https://docs.python.org/library/stdtypes.html#str
bytes	https://docs.python.org/library/stdtypes.html#bytes
¶	https://docs.python.org/library/io.html#io.Writer.write
ABCs and Protocols for working with I/O	https://docs.python.org/library/typing.html#typing-io
¶	https://docs.python.org/library/io.html#performance
¶	https://docs.python.org/library/io.html#id2
¶	https://docs.python.org/library/io.html#id3
tell()	https://docs.python.org/library/io.html#io.TextIOBase.tell
seek()	https://docs.python.org/library/io.html#io.TextIOBase.seek
StringIO	https://docs.python.org/library/io.html#io.StringIO
BytesIO	https://docs.python.org/library/io.html#io.BytesIO
¶	https://docs.python.org/library/io.html#multi-threading
FileIO	https://docs.python.org/library/io.html#io.FileIO
read(2)	https://manpages.debian.org/read(2)
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
BufferedWriter	https://docs.python.org/library/io.html#io.BufferedWriter
BufferedRandom	https://docs.python.org/library/io.html#io.BufferedRandom
BufferedRWPair	https://docs.python.org/library/io.html#io.BufferedRWPair
TextIOWrapper	https://docs.python.org/library/io.html#io.TextIOWrapper
¶	https://docs.python.org/library/io.html#reentrancy
BufferedReader	https://docs.python.org/library/io.html#io.BufferedReader
BufferedWriter	https://docs.python.org/library/io.html#io.BufferedWriter
BufferedRandom	https://docs.python.org/library/io.html#io.BufferedRandom
BufferedRWPair	https://docs.python.org/library/io.html#io.BufferedRWPair
signal	https://docs.python.org/library/signal.html#module-signal
RuntimeError	https://docs.python.org/library/exceptions.html#RuntimeError
open()	https://docs.python.org/library/functions.html#open
TextIOWrapper	https://docs.python.org/library/io.html#io.TextIOWrapper
print()	https://docs.python.org/library/functions.html#print
Table of Contents	https://docs.python.org/contents.html
io — Core tools for working with streams	https://docs.python.org/library/io.html
Overview	https://docs.python.org/library/io.html#overview
Text I/O	https://docs.python.org/library/io.html#text-i-o
Binary I/O	https://docs.python.org/library/io.html#binary-i-o
Raw I/O	https://docs.python.org/library/io.html#raw-i-o
Text Encoding	https://docs.python.org/library/io.html#text-encoding
Opt-in EncodingWarning	https://docs.python.org/library/io.html#opt-in-encodingwarning
High-level Module Interface	https://docs.python.org/library/io.html#high-level-module-interface
Class hierarchy	https://docs.python.org/library/io.html#class-hierarchy
I/O Base Classes	https://docs.python.org/library/io.html#i-o-base-classes
Raw File I/O	https://docs.python.org/library/io.html#raw-file-i-o
Buffered Streams	https://docs.python.org/library/io.html#buffered-streams
Text I/O	https://docs.python.org/library/io.html#id1
Static Typing	https://docs.python.org/library/io.html#static-typing
Performance	https://docs.python.org/library/io.html#performance
Binary I/O	https://docs.python.org/library/io.html#id2
Text I/O	https://docs.python.org/library/io.html#id3
Multi-threading	https://docs.python.org/library/io.html#multi-threading
Reentrancy	https://docs.python.org/library/io.html#reentrancy
os — Miscellaneous operating system interfaces	https://docs.python.org/library/os.html
time — Time access and conversions	https://docs.python.org/library/time.html
Report a bug	https://docs.python.org/bugs.html
Show source	https://github.com/python/cpython/blob/main/Doc/library/io.rst?plain=1
index	https://docs.python.org/genindex.html
modules	https://docs.python.org/py-modindex.html
next	https://docs.python.org/library/time.html
previous	https://docs.python.org/library/os.html
Python	https://www.python.org/
3.14.2 Documentation	https://docs.python.org/index.html
The Python Standard Library	https://docs.python.org/library/index.html
Generic Operating System Services	https://docs.python.org/library/allos.html
io — Core tools for working with streams	https://docs.python.org/library/io.html
Copyright	https://docs.python.org/copyright.html
History and License	https://docs.python.org/license.html
Please donate.	https://www.python.org/psf/donations/
Found a bug	https://docs.python.org/bugs.html
Sphinx	https://www.sphinx-doc.org/

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