関連ワード:  how to create a while loop in python    how to use a while loop in python    how to create a for loop in python    how to create a time loop in python    how to make a while loop in python stop    how to create a do while loop in python    how to create a nested while loop in python    how to create a list using while loop in python    how to use a for loop in python    how to make a for loop in python that counts down