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- What is Pythons equivalent of (logical-and) in an if-statement?
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 6 7 Binary arithmetic operations The logical operators (like in many other languages) have the advantage that these are short-circuited
- What does colon equal (:=) in Python mean? - Stack Overflow
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 implementation Some notes about psuedocode: := is the assignment operator or = in Python = is the equality operator or == in Python There are certain styles, and your mileage may vary:
- What does the percentage sign mean in Python [duplicate]
1 In python 2 6 the '%' operator performed a modulus I don't think they changed it in 3 0 1 The modulo operator tells you the remainder of a division of two numbers
- What is :: (double colon) in Python when subscripting sequences?
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]?
- python - What exactly does += do? - Stack Overflow
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
- math - ` ` vs ` ` for division in Python - Stack Overflow
In Python 3 x, 5 2 will return 2 5 and 5 2 will return 2 The former is floating point division, and the latter is floor division, sometimes also called integer division In Python 2 2 or later in the 2 x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2 x to adopt the 3 x behavior Regardless of the future import, 5 0
- python - What exactly do u and r string prefixes do, and what are . . .
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 b'abc' in Python 3
- python - Errno 13 Permission denied - Stack Overflow
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 with exactly the same name as the file you try to open (the file extension is part of the file name)
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