関連ワード:  how to use a while loop in python    how to use a for loop in python    how to use a do while loop in python    how to use a for statement in python    how to use for loop in python with range    how to use enumerate in for loop in python    how to use if in for loop in python    how to end a while loop in python    how to write a while loop in python    how to do a while loop in python