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Title: bpo-46257: Convert statistics._ss() to a single pass algorithm by rhettinger · Pull Request #30403 · python/cpython · GitHub

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Description: https://bugs.python.org/issue46257

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bbd2da9 Merge pull request #1 from python/master rhettinger Mar 16, 2021 https://github.com/python/cpython/pull/30403/commits/bbd2da91b0a5815a017f1984555da57ce11e61e3
74bdf1b Merge branch 'master' of github.com:python/cpython rhettinger Mar 22, 2021 https://github.com/python/cpython/pull/30403/commits/74bdf1b2068646206b73b5408725cd0921d0ccfe
6c53f1a Merge branch 'master' of github.com:python/cpython rhettinger Mar 22, 2021 https://github.com/python/cpython/pull/30403/commits/6c53f1a86ff036be3ad34f4fcf4965b005be8aff
a487c4f . rhettinger Mar 24, 2021 https://github.com/python/cpython/pull/30403/commits/a487c4fb9e14a6643676f3dd20a073835f4a011b
eb56423 . rhettinger Mar 25, 2021 https://github.com/python/cpython/pull/30403/commits/eb56423031b0e7f8d292e264b68500a4a37f41e5
cc7ba06 . rhettinger Mar 26, 2021 https://github.com/python/cpython/pull/30403/commits/cc7ba06c30e26c692338ff3616e4495c40d8f4e9
d024dd0 . rhettinger Apr 22, 2021 https://github.com/python/cpython/pull/30403/commits/d024dd07c24ec8fc2e6db742a0e502b65bec4d36
b10f912 merge rhettinger May 5, 2021 https://github.com/python/cpython/pull/30403/commits/b10f9126766f69e2b3e8ffc13e8b4c381a07b311
fb6744d merge rhettinger May 6, 2021 https://github.com/python/cpython/pull/30403/commits/fb6744d95763aa62143e6e7bd03afde00f1c166f
7f21a1c Merge branch 'main' of github.com:python/cpython rhettinger Aug 15, 2021 https://github.com/python/cpython/pull/30403/commits/7f21a1c9dc8715917b2c8db1ce7a47732f2a22d7
7da42d4 Merge branch 'main' of github.com:rhettinger/cpython rhettinger Aug 25, 2021 https://github.com/python/cpython/pull/30403/commits/7da42d41cad4c5ef8e50c5107561a17c0b0c501b
e31757b Merge branch 'main' of github.com:python/cpython rhettinger Aug 31, 2021 https://github.com/python/cpython/pull/30403/commits/e31757be213071cc25e6ab43c0d381a572b03b0e
f058a6f Merge branch 'main' of github.com:python/cpython rhettinger Aug 31, 2021 https://github.com/python/cpython/pull/30403/commits/f058a6fd7a3951a9e1efb9922c036d65324755eb
1fc29bd Merge branch 'main' of github.com:python/cpython rhettinger Sep 4, 2021 https://github.com/python/cpython/pull/30403/commits/1fc29bdc33112ab37025b1c6a60fbb84cdc59a7b
e5c0184 Merge branch 'main' of github.com:python/cpython rhettinger Oct 30, 2021 https://github.com/python/cpython/pull/30403/commits/e5c018472261214b4131eaa688750cc88a5f8e6e
3c86ec1 Merge branch 'main' of github.com:python/cpython rhettinger Nov 9, 2021 https://github.com/python/cpython/pull/30403/commits/3c86ec1e1a64c5cd547e2204aeaab6e63edbf461
96675e4 Merge branch 'main' of github.com:rhettinger/cpython rhettinger Nov 9, 2021 https://github.com/python/cpython/pull/30403/commits/96675e4acb2d20fe0cd9e527c982de00f9e34830
de558c6 Merge branch 'main' of github.com:python/cpython rhettinger Nov 9, 2021 https://github.com/python/cpython/pull/30403/commits/de558c6ace036b4b0891dfdb0bdfebc386746e95
418a07f Merge branch 'main' of github.com:python/cpython rhettinger Nov 14, 2021 https://github.com/python/cpython/pull/30403/commits/418a07fab4a9c46491fcae931394fce426471580
ea23a8b Merge branch 'main' of github.com:python/cpython rhettinger Nov 21, 2021 https://github.com/python/cpython/pull/30403/commits/ea23a8b2439288e96ef8d68e98c87d44a56bf37a
ba248b7 Merge branch 'main' of github.com:python/cpython rhettinger Nov 27, 2021 https://github.com/python/cpython/pull/30403/commits/ba248b7b77ceae5e2dac9f4d2d44f2c27ececaee
9bc1df1 Merge branch 'main' of github.com:python/cpython rhettinger Dec 1, 2021 https://github.com/python/cpython/pull/30403/commits/9bc1df168dfa1b001097e3d31f9d137a582f8d0e
d4466ba Merge branch 'main' of github.com:python/cpython rhettinger Dec 1, 2021 https://github.com/python/cpython/pull/30403/commits/d4466bac8fbdb18c67cd207ba89b1399bf906151
a89f02e Merge branch 'main' of github.com:python/cpython rhettinger Dec 8, 2021 https://github.com/python/cpython/pull/30403/commits/a89f02effd1fcf620c5a5740c73535b7dd35cc47
aae9a5f Merge branch 'main' of github.com:python/cpython rhettinger Dec 10, 2021 https://github.com/python/cpython/pull/30403/commits/aae9a5fbdb44d76d262f7654e8199e57c14241fe
7ba634b Merge branch 'main' of github.com:python/cpython rhettinger Jan 1, 2022 https://github.com/python/cpython/pull/30403/commits/7ba634bd146add5b70cdc43ba84ca124b8f115fa
0b54723 Add doctest and improve readability for move_to_end() example. rhettinger Jan 3, 2022 https://github.com/python/cpython/pull/30403/commits/0b547235a0ee617f83e13d616f8d6562520a499f
6ce943f Single pass sum of squares rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/6ce943f62ee628311859968324351dac29c51aff
c8e2de7 Use len() to get the count rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/c8e2de7d1e69332bb024a015fac86688adc2e977
45d83da Avoid converting iterators to lists rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/45d83da8eb47cdbfab49d5a57c9cc4635378b01f
b1a89be Neaten-up rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/b1a89be49481361dc982ed4fb10408cc164c4e59
b4d2797 Add blurb rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/b4d2797476c3a164ead5643b8483299f36138f66
712f648 Avoid touching collections.rst rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/712f648b86d0d9f67d41e95af4405ee878d14a5b
dc98276 Accumulate unsquared denominators rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/dc98276ec2c62cecef08ac660b5c470e30cd85f7
6b2e8ca Update Lib/statistics.py rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/6b2e8ca128bc590c380d16660a7d23ce6dc6210f
ae382ff Make mean() single pass over iterators rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/ae382ffa0d59ba408173fa89e59ced2a721e05f2
2e03c7a Merge branch 'statistics_fast_ss' of github.com:rhettinger/cpython in… rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/2e03c7a17b047c6b2f2e2563428523d211716b68
bbe6558 Update blurb to cover mean(). rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/bbe65586b39c4b695dd0454ebf2d1097d7320305
326bce8 Move _ss() into the private utilities section. rhettinger Jan 4, 2022 https://github.com/python/cpython/pull/30403/commits/326bce8fe3e8d70308a68d08593f10c84f4abf9c
208abcd Use defaultdict() instead of boundmethod rhettinger Jan 5, 2022 https://github.com/python/cpython/pull/30403/commits/208abcd8f1726646f8d86306616b0db802d8064c
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