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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. What is Python's equivalent of && (logical-and) in an if-statement?

    Mar 21, 2010 · There is no bitwise negation in Python (just the bitwise inverse operator ~ - but that is not equivalent to not). See also 6.6. Unary arithmetic and bitwise/binary operations and …

  3. What is the reason for having '//' in Python? [duplicate]

    Oct 8, 2009 · In Python 3, they made the / operator do a floating-point division, and added the // operator to do integer division (i.e., quotient without remainder); whereas in Python 2, the / …

  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 - 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 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 …

  7. 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. …

  8. python - Is there a difference between "==" and "is"? - Stack …

    According to the previous answers: It seems python performs caching on small integer and strings which means that it utilizes the same object reference for 'hello' string occurrences in this code …

  9. 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 …

  10. 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 …