user357670 Asked:2020-09-29 18:01:28 +0000 UTC2020-09-29 18:01:28 +0000 UTC 2020-09-29 18:01:28 +0000 UTC 向每个列表项添加字符 772 有一个清单 a = [1,2,3,4,5] 您需要为每个字符添加一个“:”,如下所示: a = [':1',':2',':3',':4',':5'] python 2 个回答 Voted vp_arth 2020-09-29T18:07:01Z2020-09-29T18:07:01Z 不改变id(a): a[:] = [f':{el}' for el in a] Best Answer Andrey Maslov 2020-09-29T18:02:49Z2020-09-29T18:02:49Z b = [':{}'.format(number) for number in a]
不改变
id(a)
: