関連ワード:  how to add a while loop in python    how to create a while loop in python    how to add a for loop in python    how to create a for loop in python    how to create a time loop in python    how to create a do while loop in python    how to create a nested while loop in python    how to create a while true loop in python    how to add a counter to a while loop in python    how to add numbers using while loop in python