input: Write a function to create a dictionary where each key is an element from the input list, and each value is the product of that element multiplied by itself. If the input list is empty, return an empty dictionary.
  
  def product_of_list(list):
      output = {}
      for element in list:
          output[element] = element * element
      return output
  
  assert product_of_list([7, 8, 5])=={7: 49, 8: 64, 5: 25}
  assert product_of_list([])=={}
output: def product_of_list(list):
      output = {}
      for element in list:
          output[element] = element * element
      return output