input: Write a function to take in a dictionary where keys are strings and values are integers, and return the sum of all the values in the dictionary.
  
  def compute_dict_sum(input_dict):
      result = 0
      for val in input_dict.values():
          result += val
      return result
  
  assert compute_dict_sum({"a": 5, "b": 10, "c": 15}) == 30
  assert compute_dict_sum({"x": -1, "y": 2, "z": 0}) == 1
  assert compute_dict_sum({}) == 0
output: def compute_dict_sum(input_dict):
      result = 0
      for val in input_dict.values():
          result += val
      return result