Given a string and an int n, return a string made of n repetitions of the last n characters of the string. You may assume that n is between 0 and the length of the string, inclusive. You may use whichever loop you prefer! You may not use the * operator.

Example: repeatEnd("Hello", 3) "llollollo"

repeatEnd("Hello", 2) "lolo"

repeatEnd("Hello", 1) "o"

def repeatEnd(str, n):

#missing code

Help me with my python! please fill in the missing code :) Thank you so much!