[英]How to split a list of strings based on delimiter string that ends with specific character in Python?
[英]How to split a string with specific character with python in a nested list?
我有一个带有一些字符串的嵌套列表。 如 myresult 所示,我想以奇数间隔使用 '-' 字符拆分字符串。 我见过这个问题。 但它帮不了我。
mylist= [['1 - 2 - 3 - 4 - 5 - 6'],['1 - 2 - 3 - 4']]
myresult = [[['1 - 2'] , ['3 - 4'] , ['5 - 6']],[['1 - 2] ,[ 3 - 4']]]
尝试这个:
res = []
for x in mylist:
data = list(map(str.strip, x[0].split('-')))
res.append([[' - '.join(data[y * 2: (y + 1) * 2])] for y in range(0, len(data) // 2)])
print(res)
Output:
[[['1 - 2'], ['3 - 4'], ['5 - 6']], [['1 - 2'], ['3 - 4']]]
如果您更喜欢单线解决方案,就在这里!
res = [[[s] for s in map(' - '.join,
map(lambda x: map(str, x),
zip(x[::2], x[1::2])))]
for lst in mylist for x in (lst[0].split(' - '),)]
列表理解:
[[[" - ".join(item)] for item in zip(*[iter(sub.split(" - "))]*2)] for l in mylist for sub in l]
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.