new_contents: fib = {1: 1, 2: 1, 3: 2, 4: 3}
  print(fib.get(4, 0) + fib.get(7, 5))
  
  ## get(4,0) is 3 because as you can see, 4:3, in the key 4, you can 3. 
  ## Since there is not key 7, this will just equivalent to 5.
  ## 3 + 5 = 8
  
  ## output is 8
  
subject: Create get_dictionary_1.py