In a comment on this question, I saw a statement that recommended using result is not None vs result != None What is the difference? And why might one be recommended over the other?

Apr 25, 2019 · I'll try and clarify a bit: Colorama aims to let Python programs print colored terminal text on all platforms, using the same ANSI codes as described in many other answers on this …

Jul 9, 2010 · In Python 3, generator is the default behavior Not sure if returning a list is still mandatory (or a generator would do as well), but passing a generator to the list constructor, will …

Jun 12, 2009 · Python: Python is “pass-by-object-reference”, of which it is often said: “Object references are passed by value.” (read here). Both the caller and the function refer to the same …

In Python 3, filter doesn't return a list, but a generator-like object. Finding the first occurrence If you only want the first thing that matches a condition (but you don't know what it is yet), it's fine …

How do I determine: the current directory (where I was in the shell when I ran the Python script), and where the Python file I am executing is?

if not a: # do this! print('a is an empty list') PEP 8 PEP 8, the official Python style guide for Python code in Python's standard library, asserts: For sequences, (strings, lists, tuples), use the fact …

In my case, this manifested with strange syntax errors because the newer version of the package added a file that was only compatible with Python 3, and when I downgraded package versions …

How do I copy a file in Python?copy2(src,dst) is often more useful than copyfile(src,dst) because: it allows dst to be a directory (instead of the complete target filename), in which case the …

In Python 2, this is raw_input(prompt). open(0).read() - In Python 3, the builtin function open accepts file descriptors (integers representing operating system IO resources), and 0 is the …