式：
>>> square = []
>>> for x in range(1, 11):
... square.append(x ** 2)結果：
>>> print(square)
[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
>>> 式：
>>> square = []
>>> for x in range(1, 11):
... square.append(x ** 2)結果：
>>> print(square)
[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]
>>>