input: from typing import Dict
  
  
  def optimize(fn, params) -> Dict[str, int]:
      """
      Optimize the given function by iterating over a range of possible parameters 
      and returning the combination that yields the highest score.
      
      >>> optimize(get_result, Params(a=1, b=2, c=3))
      {'a': 1, 'b': 2, 'c': 3}
      >>> optimize(get_result, Params(a=5, b=10, c=15))
      {'a': 13, 'b': 8, 'c': 22}
      """
      best_score = 0
      best_params = None
      for a in range(params.a - 10, params.a + 10):
          for b in range(params.b - 10, params.b + 10):
              for c in range(params.c - 10, params.c + 10):
                  score = fn(Params(a, b , c))
                  if score > best_score:
                      best_score = score
                      best_params = {
                          'a': a,
                          'b': b,
                          'c': c
                      }
      return best_params
output:     best_score = 0
      best_params = None
      for a in range(params.a - 10, params.a + 10):
          for b in range(params.b - 10, params.b + 10):
              for c in range(params.c - 10, params.c + 10):
                  score = fn(Params(a, b , c))
                  if score > best_score:
                      best_score = score
                      best_params = {
                          'a': a,
                          'b': b,
                          'c': c
                      }
      return best_params