def is_possible_number_string(number, region_dialing_from):
 try:
  return is_possible_number(parse(number, region_dialing_from))
 except NumberParseException:
  return False

def is_possible_number_string ( number , region_dialing_from ) : try : return is_possible_number ( parse ( number , region_dialing_from ) ) except NumberParseException : return False
check whether a phone number string is a possible number .