input: def most_efficient_order(tasks):
      """
      This method takes a list of tasks and produces the most efficient order for completing the tasks.
  
      Parameters
      ----------
      tasks: List
          A list of tasks to be performed.
  
      Returns
      -------
      List
          An ordered list of tasks representing the most efficient order for completing the tasks.
  
      >>> tasks = [Task(5), Task(3), Task(2), Task(1), Task(4)]
      >>> most_efficient_order(tasks)
      [Task(1), Task(2), Task(3), Task(4), Task(5)]
      """
output:     tasks.sort()
      return tasks