n
列表元素,来自
n = 1..N
lst = [1,2,3,4,5]
for n in range(1, len(lst)+1):
print(lst[:n])
>>> [1]
>>> [1, 2]
>>> [1, 2, 3]
>>> [1, 2, 3, 4]
>>> [1, 2, 3, 4, 5]
foreach
-设置此代码的样式版本,以避免稍微混淆
range(1, len(lst)+1)
for sublist in ___(lst):
print(sublist)
我肯定有个好办法
itertools
或者什么,但我什么也找不到。