What does execute_script return for a number?

QuizEasy-MediumPython onlyAsked in: Infosys, TCS, Wipro

a = driver.execute_script("return 1 + 2;")
b = driver.execute_script("document.title;")
print(type(a).__name__, b)

What does this print?

int None
str Check Page
float None
It raises, because scripts must return something

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