René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Missing error: \"parameter without a default follows parameter with a default\" with a function that uses `*args`","articleBody":"# Bug report\n\n### Bug description:\n\nHey there,\n\nI don't know if that's a bug or if that's expected behavior, but since it's weird I might as well get this checked out.\n```python\n\u003e\u003e\u003e def f(*args, a = 0, b): pass\n... \n\u003e\u003e\u003e def f(a = 0, b): pass\n  File \"\u003cpython-input-1\u003e\", line 1\n    def f(a = 0, b): pass\n                 ^\nSyntaxError: parameter without a default follows parameter with a default\n```\nI clearly understand the error here as it is not the first time I'm using Python, the thing that eludes me is: **why is there no error with the first function ?**\n\nThank you for your help !\n\n### CPython versions tested on:\n\n3.13\n\n### Operating systems tested on:\n\nLinux","author":{"url":"https://github.com/adrien-lsh","@type":"Person","name":"adrien-lsh"},"datePublished":"2025-02-07T15:00:17.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":4},"url":"https://github.com/129810/cpython/issues/129810"}