関連ワード:  how to use a for loop in python    how to use a for statement in python    how to use a nested for loop in python    how to use for loop in python with range    how to use for loop in python dictionary    how to use for loop in python list    how to use for loop in python dataframe    how to use a for loop in one line python    how to use a while loop in python    how to use decrement for loop in python