Easy-understanding python solution (44ms, faster than 99.3%)
\nclass Solution:\n    def numUniqueEmails(self, emails: List[str]) -> int:\n        def parse(email):\n            local, domain = email.split(\'@\')\n        
```\nclass Solution:\n    def numUniqueEmails(self, emails: List[str]) -> int:\n        def parse(email):\n            local, domain = email.split(\'@\')\n            local = local.split(\'+\')[0].replace(\'.\',"")\n            return f"{local}@{domain}"\n        \n        return len(set(map(parse, emails)))\n```
['Python', 'Python3']