This programming language misconception is about the syntax of expressions.

Incorrect and Correct Conception

Convince Yourself

Like any function with a parameter, print expects an expression as an argument. Thus, 19 is an expression, getSize() is an expression, and age is an expression.

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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 NoAtomicExpression in the progmiscon.org misconception inventory.