input: Write a function to compute the sum of all values in a given dictionary where the keys are strings and the values are integers. If the dictionary is empty then return 0.
  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({"d": -1, "e": 20})==19
  assert compute_dict_sum({})==0
  assert compute_dict_sum({"f": 0})==0
output: def compute_dict_sum(input_dict):
      result = 0
      for val in input_dict.values():
          result += val
      return result