input: def most_common_fruit(fruit_list: List[str]) -> str:
      """
      Returns the most common fruit name from the given list of fruit names.
      
      >>> most_common_fruit(['Apple', 'Orange', 'Apple', 'Pineapple', 'Grape', 'Apple'])
      'Apple'
      >>> most_common_fruit(['Banana', 'Banana', 'Banana', 'Orange', 'Orange'])
      'Banana'
      """
output:     fruit_count = {}
      for fruit in fruit_list:
          if fruit in fruit_count:
              fruit_count[fruit] += 1
          else:
              fruit_count[fruit] = 1
      
      most_common = max(fruit_count, key=fruit_count.get)
      return most_common