About 598,000 results
Open links in new tab
  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. 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 …

  3. 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 …

  4. python - What is the purpose of the -m switch? - Stack Overflow

    Python 2.4 adds the command line switch -m to allow modules to be located using the Python module namespace for execution as scripts. The motivating examples were standard library …

  5. python - What exactly does += do? - Stack Overflow

    Jan 30, 2011 · I need to know what += does in Python. It's that simple. I also would appreciate links to definitions of other shorthand tools in Python.

  6. 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]?

  7. What does the ** maths operator do in Python? - Stack Overflow

    From the Python 3 docs: The power operator has the same semantics as the built-in pow () function, when called with two arguments: it yields its left argument raised to the power of its …

  8. What does [:-1] mean/do in python? - Stack Overflow

    Mar 20, 2013 · Working on a python assignment and was curious as to what [:-1] means in the context of the following code: instructions = f.readline()[:-1] Have searched on here on S.O. …

  9. python - Errno 13 Permission denied - Stack Overflow

    Jul 16, 2020 · For future searchers, if none of the above worked, for me, python was trying to open a folder as a file. Check at the location where you try to open the file, if you have a folder …

  10. python - What exactly do "u" and "r" string prefixes do, and what …

    In Python 3, 'abc' is the same as u'abc', and the u syntax exists just to help with code backward compatibility and is never needed. And to get a Python 2 'abc' (byte string), you have to do …