
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 …
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 …
Is there a "not equal" operator in Python? - Stack Overflow
Jun 16, 2012 · Python is dynamically, but strongly typed, and other statically typed languages would complain about comparing different types. There's also the else clause: # This will …
python - `from ... import` vs `import .` - Stack Overflow
Feb 25, 2012 · It depends on how you want to access the import when you refer to it. from urllib import request # access request directly. mine = request() import urllib.request # used as …
python - How do I pass a variable by reference? - Stack Overflow
Jun 12, 2009 · Python: Python is “pass-by-object-reference”, of which it is often said: “Object references are passed by value.” . Both the caller and the function refer to the same object, …
python - How do I define a function with optional arguments?
A Python function can take in some arguments, take this for example, def add(x,y): return x+ y # calling this will require only x and y add(2,3) # 5 If we want to add as many arguments as we …
python - Testing if a value is numeric - Stack Overflow
Jul 25, 2015 · There are three distinct number types in Python 3 (int, float and complex). Note that boolean is a subclass of int. You can check for them as follows: def check_numeric(x): if not …
python - How to check if a value exists in a dictionary? - Stack …
In Python 3 you can use the values() function of the dictionary. It returns a view object of the values. It returns a view object of the values. This, in turn, can be passed to the iter function …
python - How to compare two dates? - Stack Overflow
Jun 3, 2019 · With python as the easiest language available it is pretty easy to compare dates in python the python operators <, > and == fit wonderfully with datetime objects. each of them …
python - How to detect key presses? - Stack Overflow
I made this kind of game based on this post (using msvcr library and Python 3.7). The following is the main function of the game, that is detecting the keys pressed: import msvcrt def …