list comprehension for dividing a list into three lists and reverse the items in the each of the three lists.

def divide(list):
  return [list[i::3] for i in range(3)]
  
def reverse(list):
  return [list[::-1] for i in range(3)]
  
def divide_and_reverse(list):
  return reverse(divide(list))
    
list = [1, 2, 3, 4, 5, 6, 7, 8, 9]
divide_and_reverse(list)