text: iPhone_3 = 'iPhone 3'
  iPhone_4 = 'iPhone 3GS'
  iPhone_5 = 'iPhone 4'
  iPhone_6 = 'iPhone 4S'
  iPhone_7 = 'iPhone 5'
  iPhone_8 = 'iPhone 5C'
  iPhone_9 = 'iPhone 6'
  iPhone_10 = 'iPhone 7'
  bucket = list()
  bucket.append(iPhone_3)
  bucket.append(iPhone_4)
  bucket.append(iPhone_5)
  bucket.append(iPhone_6)
  bucket.append(iPhone_7)
  bucket.append(iPhone_8)
  bucket.append(iPhone_9)
  bucket.append(iPhone_10)
  bucket.append("iPhone 8")
  bucket.append("iPhone 8 Plus")
  bucket.append("iPhone X")
  bucket.append("iPhone XS")
  bucket.append("iPhone XS Max")
  bucket.append("iPhone 11 ")
  bucket.append("iPhone 11 Pro")
  bucket.append("iPhone 11 Pro Max")
  bucket.append("iPhone 12")
  bucket.append("iPhone 10086")
  
  
  def magic_delete_last_of_bucket(buc: list) -> list:
      del buc[-1]
      return buc[7:]
  
  
  mapping = {1: 'Peter', 2: 'Debbie'}
  
  
  def water_mapping(map_: dict):
      map_[1] = 'Water'
      return 'Water'
  
  
  persons = [{
          'person_de_bucket': [],
          'person_de_name': 'Debbie',
          'person_de_gender': 'little boy',
          'person_de_phone': '110-120-119-114-10086'
      }]
  