Evaluate multiple variables in one 'if' statement?

Question

Say I have a bunch of variables that are either True or False. I want to evaluate a set of these variables in one if statement to see if they are

Answer 1

You should never test a boolean variable with == True (or == False). Instead, either write:

if not (var1 or var2 or var3 or var4):

or use any (and in related problems its cousin all):

if not any((var1, var2, var3, var4)):

or use Python's transitive comparisons:

if var1 == var2 == var3 == var4 == False: