【まず1嫁】くだすれPython(超初心者用) その54

[4 デフォルトの名無しさん 2021/06/10(木) 11:03:02.88 ID:smul9M+b]

>>2
>>> a = [10]
>>> x = [a]
>>> x
[[10]]
>>> a[0] = 20
>>> a
[20]
>>> x
[[20]]