it fails this test case def parse phone number(phone number) pattern r ( d 3 ) s d 3 s d 4 match re search(pattern, phone number) try return match groups() except AttributeError raise ValueError

Question

it fails this test case def parse phone number(phone number)  pattern   r  (  d 3  )    s   d 3    s   d 4   match   re search(pattern, phone number) try  return match groups() except AttributeError  raise ValueError

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Question: it fails this test case def parse_phone_number(phone_number): pattern = r(?d{3})?[-s]?d{3}[-s]?d{4} match = re.search(pattern, phone_number) try: return match.groups() except AttributeError: raise ValueError

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