input: Write a function to determine the most efficient order of tasks from an array of given tasks. If the input array is empty, return an empty list.
  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.
      """
      if not tasks:
          return []
      ordered_tasks = sorted(tasks, key=lambda task: task.get_time())
      return ordered_tasks
  
  assert most_efficient_order([Task1, Task2, Task3, Task4, Task5]) == [Task1, Task2, Task5, Task3, Task4]
  assert most_efficient_order([]) == []
  assert most_efficient_order([Task3, Task1, Task4, Task2]) == [Task1, Task2, Task3, Task4]
output: if not tasks:
      return []
  ordered_tasks = sorted(tasks, key=lambda task: task.get_time())
  return ordered_tasks