comefrom: <qiyuangong>929_Unique_Email_Addresses_1.py
code: def numUniqueEmails( emails):
      email_set = set()
      for email in emails:
          elements = email.split('@')
          email_set.add(elements[0].split('+')[0].replace('.', '') + elements[1])
      return len(email_set)
masked: def sample_funcname ( var_0 ) :
      var_2 = set ( )
      for var_3 in var_0 :
          var_6 = var_3.split ( '@' )
          var_2.add ( var_6 [ 0 ].split ( '+' ) [ 0 ].replace ( '.' , '' ) + var_6 [ 1 ] )
      return len ( var_2 )
  