if foo is None: ...
Read: None vs Null
Example check null Python
Simple example code to test for None use the is the operator.
a = None if a is None: print("a is", a) else: print("Value of a", a)
Python if not null or empty
Even space or defined variable is counted as a not a null variable in python. You should define it as a None.
var = " " if var is not None: print('Var is not null')
Var is not null
Do comment if you have any doubts or suggestions on this Python Basic topic
Note: IDE: PyCharm 2021.3 (Community Edition)
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.
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