Left shift a string having n characters without using array - Python

#Left shift a string having n characters such that on left shift left most character will move to the rightmost. #String to array conversion is not allowed  Solution using python regex: import re string = "abcdefghijk" ls = re.match('^\w', string) string = re.sub(ls.group(),'',string) string += ls.group()print(string) One-liner in Python: string = string[1:] + string[0:1] One-liner in JavaScript: string = string.slice(1) + string.slice(0,1)