Python if statement not boolean

Describes the cause and action for error messages.


Error Message(English):
if statement not boolean

Resolution


関連リンク


Syntax for an If statement using a boolean - Stack Overflow
https://stackoverflow.com/questions/38423360/syntax-for-an-if-statement-using-a-boolean

if var == False
https://stackoverflow.com/questions/16513573/if-var-false

Python's equivalent of && (logical-and) in an if-statement
https://stackoverflow.com/questions/2485466/pythons-equivalent-of-logical-and-in-an-if-statement

python how to "negate" value : if true return false, if false ...
https://stackoverflow.com/questions/17168046/python-how-to-negate-value-if-true-return-false-if-fals・・・

Using a Boolean in an If-Statement in Python
https://stackoverflow.com/questions/16503975/using-a-boolean-in-an-if-statement-in-python

How does 'if not' work with Boolean expressions in Python? - Quora
https://www.quora.com/How-does-if-not-work-with-Boolean-expressions-in-Python

5. Conditionals ? How to Think Like a Computer Scientist: Learning ...
http://openbookproject.net/thinkcs/python/english3e/conditionals.html

Python not: If Not True - Dot Net Perls
https://www.dotnetperls.com/not-python

9. Notes about booleans and logical operators ? Python Notes (0.14.0)
https://thomas-cokelaer.info/tutorials/python/boolean.html

3.1. If Statements ? Hands-on Python Tutorial for Python 3.1
http://anh.cs.luc.edu/handsonPythonTutorial/ifstatements.html



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