input: def find_mode(numbers: List[int]) -> int:
      """ Find the mode of a given list of integers.
      >>> find_mode([1, 2, 3, 2, 4, 2])
      2
      """
output:     frequency = {}
      for num in numbers:
          if num in frequency:
              frequency[num] += 1
          else:
              frequency[num] = 1
      
      max_count = 0
      mode = None
      for num, count in frequency.items():
          if count > max_count:
              max_count = count
              mode = num
      
      return mode