Shift list elements to the right and shift list element at the end to the beginning

Question

I want to rotate elements in a list, e.g. - shift the list elements to the right so [\'a\',\'b\',\'c\',\'d\'] would become [\'d\',\'a\',\'b\',\'c\'], o

Answer 1

You can use negative indices together with list concatenation:

def shift(seq, n=0):
    a = n % len(seq)
    return seq[-a:] + seq[:-a]