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The parenthesis of Schroedinger
Could someone explain this paradox to me: def some_func(): print("Hi!") foo = print() if foo == None: print ("empty1") else: print ("something there1") foo = () if foo == None: print ("empty2") else: print ("something there2") Output : empty1 something there2 The first empty parenthesis was interpreted as a None, but the second was interpreted as something.
1 Respuesta
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The first condition occurs because the return of just a print() is None. For the second statement, you are assigning foo to (), which in python declares a tuple. So foo is of tuple type and not None type.