;is not used, use spaces instead!
If you wanna 2 or more commands in 1 line, you can use
;to separate them.
Tab size usually is 4.
Lines can be broken with just an Enter, you also use
\between the lines if you want.
From Python 3.6, you can use
1_000_000for the number
from __future__ import <package>allows current version of python to use
<package>which is only available in the "future" version of python.
if __name__ == "__main__":determines the main running file of codes. The codes inside this command only run if the file containing it is the main executed file! [read more]
If we don't need to mention some variable, use
for _ in range(2):
Swap 2 variables
a, b = b, a
# Clear (without confirmation) a variable from workspace
# Check if available and then delete
if '<var>' in globals(): del <var>
# use locals() inside a def
# Clear all variables
%reset # with confirmation
%reset -f # without confirmation