関連ワード:  what is a nested for loop in python    what is a nested conditional loop in python    what is a nested for loop and give example in python    what is a nested statement in python    what is nested loop in python with example    what is nested loop in python class 11    what is a nested if statement in python    what is a nested conditional statement in python    what is nested while loop in python    what is a nested if else statement in python