input: def compute_dict_sum(input_dict: dict) -> int:
      """ Takes in a dictionary where keys are strings and values are integers, and 
      returns the sum of all values in the dictionary.
      >>> compute_dict_sum({"a": 5, "b": 10, "c": 15})
      30
      >>> compute_dict_sum({"x": 2, "y": 3, "z": 4})
      9
      """
output:     return sum(input_dict.values())