class Solution:
def numUniqueEmails(self, emails: 'List[str]') -> 'int':
res = set()
for email in emails:
local, domain = email.split('@')[0],email.split('@')[1]
local = local.split('+')[0]
new_email = ''.join([c for c in local if c != '.']) + '@' + domain
res.add(new_email)
return len(res)
LeetCode929 独特的电子邮件地址
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转载自blog.csdn.net/qq_29994775/article/details/87880795
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