関連ワード:  what is for and while loop in python    what is for loop and while loop in python with example    what is difference between for and while loop in python    what is while loop in python class 8    what is while loop in python explain with example    what is while loop in python class 11    what is while loop in python programming    what is while loop in python syntax    what is do while loop in python    what is nested while loop in python