input: Write a function to compute the sum of all integer values in a given dictionary of key-value pairs where keys are strings and values are integers. Return the total sum as the result.
  assert compute_dict_sum({"a": 5, "b": 10, "c": 15})==30
  assert compute_dict_sum({"x": 1, "y": 2, "z": 3})==6
  assert compute_dict_sum({"apple": 0, "banana": 0, "cherry": 0})==0
  assert compute_dict_sum({})==0
output: def compute_dict_sum(d):
      return sum(d.values())