python solution
class Solution:     def numUniqueEmails(self, emails):         """         :type emails: List[str]         :rtype: int         """         email_set = set()    
```
class Solution:
    def numUniqueEmails(self, emails):
        """
        :type emails: List[str]
        :rtype: int
        """
        email_set = set()
        for email in emails:
            local_name,domain_name = email.split("@")
            local_name ="".join(local_name.split('+')[0].split('.'))
            email = local_name +'@' + domain_name
            email_set.add(email)
        return len(email_set)
 ```       
[]