input: Write a function to reverse a given list. The function should return the reversed list. If the given list is empty, the function should return an empty list.
  def reverse_list(list): 
      return list[::-1]
  
  assert reverse_list([1, 2, 3, 4, 5]) == [5, 4, 3, 2, 1]
  assert reverse_list([10, 20, 30]) == [30, 20, 10]
  assert reverse_list([7, 8, 9, 10]) == [10, 9, 8, 7]
  assert reverse_list([]) == []
output: def reverse_list(list): 
      return list[::-1]