30-seconds-of-code/snippets/python/s/roll.md

title, type, language, tags, cover, dateModified

title	type	language	tags	cover	dateModified
Rotate list elements	snippet	python	list	colorful-pots	2020-11-02T19:15:44+02:00

Moves the specified amount of elements to the start of the list.

• Use slice notation to get the two slices of the list and combine them before returning.

def roll(lst, offset):
  return lst[-offset:] + lst[:-offset]

roll([1, 2, 3, 4, 5], 2) # [4, 5, 1, 2, 3]
roll([1, 2, 3, 4, 5], -2) # [3, 4, 5, 1, 2]