python - 循环遍历字符串列表并删除特定列表项 (i) 之后的所有项，其中 i 可以是 a 或 b 或 c

Question

在列表中搜索并删除包含在 Audi 或 Mazda 或 Suzuki 之后的所有其他内容。请注意 只有一个 3 个可以在列表中，但 不是 两个或全部。 只有其中之一

第一个场景:if it's Audi,给出一个列表(列表项是随机的):

lst = ["Nissan","Chevrolet","Audi","Mercedes","BMW","Subaru","Mitsubishi"]

预期结果:

new_lst = ["Nissan","Chevrolet"]

场景二: If it's Suzuki .

预期结果

lst = ["Nissan","Chevrolet","Mercedes","BMW","Subaru","Suzuki","Mitsubishi"]

new_lst = ["Nissan","Chevrolet","Mercedes","BMW","Subaru"]

等等等等

Answer 1

您可以使用 itertools.takewhile创建一个新列表并在适当的点“突破”

>>> from itertools import takewhile
>>> lst = ["Nissan","Chevrolet","Audi","Mercedes","BMW","Subaru","Mitsubishi"]
>>> list(takewhile(lambda x: x != "Audi", lst))
['Nissan', 'Chevrolet']