関連ワード:  how to do a nested loop in python    how to make a nested loop in python    how to do a nested if statement in python    how to create a nested while loop in python    how do you implement a nested loop in python    how to break a nested loop in python    how to write a nested loop in python    how to stop a nested loop in python    how to end a nested loop in python    how to use a nested loop in python