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  1. What does colon equal (:=) in Python mean? - Stack Overflow

    Mar 21, 2023 · In Python this is simply =. To translate this pseudocode into Python you would need to know the data structures being referenced, and a bit more of the algorithm …

  2. python - What does the caret (^) operator do? - Stack Overflow

    Side note, seeing as Python defines this as an xor operation and the method name has "xor" in it, I would consider it a poor design choice to make that method do something not related to xor …

  3. What does the "at" (@) symbol do in Python? - Stack Overflow

    Jun 17, 2011 · 96 What does the “at” (@) symbol do in Python? @ symbol is a syntactic sugar python provides to utilize decorator, to paraphrase the question, It's exactly about what does …

  4. What is :: (double colon) in Python when subscripting sequences?

    Aug 10, 2010 · I know that I can use something like string[3:4] to get a substring in Python, but what does the 3 mean in somesequence[::3]?

  5. python - Iterating over dictionaries using 'for' loops - Stack Overflow

    Jul 21, 2010 · Why is it 'better' to use my_dict.keys() over iterating directly over the dictionary? Iteration over a dictionary is clearly documented as yielding keys. It appears you had Python 2 …

  6. python - SSL: CERTIFICATE_VERIFY_FAILED with Python3 - Stack …

    Sep 2, 2017 · Go to the folder where Python is installed, e.g., in my case (Mac OS) it is installed in the Applications folder with the folder name 'Python 3.6'. Now double click on 'Install …

  7. python - How should I use the Optional type hint? - Stack Overflow

    Python 3.10 introduces the | union operator into type hinting, see PEP 604. Instead of Union[str, int] you can write str | int. In line with other type-hinted languages, the preferred (and more …

  8. syntax - What do >> and << mean in Python? - Stack Overflow

    Apr 3, 2014 · 15 The other case involving print >>obj, "Hello World" is the "print chevron" syntax for the print statement in Python 2 (removed in Python 3, replaced by the file argument of the …

  9. What does -> mean in Python function definitions? - Stack Overflow

    Jan 17, 2013 · It's a function annotation. In more detail, Python 2.x has docstrings, which allow you to attach a metadata string to various types of object. This is amazingly handy, so Python …

  10. python - Error " (unicode error) 'unicodeescape' codec can't …

    May 24, 2016 · This is Python bug in the case where it also happens inside multi-line comments (true for v3.7 at least) since Python has no need to scrutinize any text in a comment to look for …