This programming language misconception is about the meaning of Python's logical operators (and, or).

Incorrect and Correct Conception

Convince Yourself

You see that only a is called, thus the and is a short-circuit operator that only evaluates its second operand if necessary.

Learn More

If you would like to learn more about this misconception, including its possible origins, symptoms students who hold this misconception might exhibit, the related programming language concepts, links to the corresponding parts of the Python language specification, and related misconceptions, check out NoShortCircuit in the progmiscon.org misconception inventory.