Algorithm Fridays Week 6

shuffleClass.py

from collections import deque

def shuffleClass(listOfPupils, n):
    
    #test if listOfPupils is a list, has none value or empty
    if (not isinstance(listOfPupils, list)) or (not listOfPupils):
        return []

    #takes the last 'n' items to the front using 'deque'
    else:
        listOfPupils = deque(listOfPupils)
        listOfPupils.rotate(n)
        return list(listOfPupils)