Python IF NOT statements means inside if block executes only if the value(boolean) is False or if the value(collection) is not empty.
if not value: statement(s)
Python IF NOT example
Simple example code uses Python not logical operator in the boolean expression of Python IF.
a = False if not a: print('A is', a)
Another example if not String in Python
s = '' if not s: print('String is empty.') else: print(s)
Output: String is empty.
Where to use if not expression in Python?
Answer: Use if not expression to conditionally execute a block of statements only if the value is not empty or not False.
Do comment if you have any doubts and suggestions on this Python Python if the topic.
Note: IDE: PyCharm 2021.1.3 (Community Edition)
All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.
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