input: Write a function that takes in a list and prints a dictionary with the elements and the product of each element.
  
  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([1, 2, 3])=={1: 1, 2: 4, 3: 9}
  assert product_of_list([])=={}
  assert product_of_list([0])=={0: 0}
  assert product_of_list([-3, -2, -1])=={-3: 9, -2: 4, -1: 1}
  assert product_of_list([5])=={5: 25}
output: def product_of_list(list):
      output = {}
      for element in list:
          output[element] = element * element
      return output