input: from typing import List, Dict
  
  def optimize_code(code: str, numbers: List[int]) -> Dict[str, int]:
      """Given a Python function signature and a list of integers, this function optimizes
      the provided function by finding the best set of parameters within a range of +/- 10 
      from the original values. It returns the best parameters as a dictionary.
      >>> optimize_code("def getResult(a, b, c):\n return a + b + c", [1, 2, 3])
      {'a': -9, 'b': -8, 'c': -7}
      """
      exec(code)
      result_func = locals()['getResult']
      best_score = float('-inf')
      best_params = {}
      for a in range(numbers[0] - 10, numbers[0] + 10):
          for b in range(numbers[1] - 10, numbers[1] + 10):
              for c in range(numbers[2] - 10, numbers[2] + 10):
                  if isinstance(a, int) and isinstance(b, int) and isinstance(c, int):
                      score = result_func(a, b, c)
                      if score > best_score:
                          best_score = score
                          best_params = {'a': a, 'b': b, 'c': c}
      return best_params
output:     exec(code)
      result_func = locals()['getResult']
      best_score = float('-inf')
      best_params = {}
      for a in range(numbers[0] - 10, numbers[0] + 10):
          for b in range(numbers[1] - 10, numbers[1] + 10):
              for c in range(numbers[2] - 10, numbers[2] + 10):
                  if isinstance(a, int) and isinstance(b, int) and isinstance(c, int):
                      score = result_func(a, b, c)
                      if score > best_score:
                          best_score = score
                          best_params = {'a': a, 'b': b, 'c': c}
      return best_params