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. The function should return the total sum of these values.
  assert compute_dict_sum({"a": 5, "b": 10, "c": 15})==30
  assert compute_dict_sum({"x": 8, "y": 12, "z": 20})==40
  assert compute_dict_sum({})==0
  assert compute_dict_sum({"p": 1})==1
  assert compute_dict_sum({"q": 99, "r": 1})==100
output: def compute_dict_sum(d):
      return sum(d.values())