new_contents: #Kunal Gautam
  #Codewars : @Kunalpod
  #Problem name: Valid Phone Number
  #Problem level: 6 kyu
  
  import re
  def validPhoneNumber(phoneNumber):
      return bool(re.match('[(][0-9][0-9][0-9][)] [0-9][0-9][0-9]-[0-9][0-9][0-9][0-9]', phoneNumber)) and len(phoneNumber)==14
  
subject: Create valid_phone_number.py