def name_for_number(numobj, lang, script=None, region=None):
 ntype = number_type(numobj)
 if _is_mobile(ntype):
  return name_for_valid_number(numobj, lang, script, region)
 return U_EMPTY_STRING

def name_for_number ( numobj , lang , script = None , region = None ) : ntype = number_type ( numobj ) if _is_mobile ( ntype ) : return name_for_valid_number ( numobj , lang , script , region ) return U_EMPTY_STRING
returns a carrier name for the given phonenumber object .