"In mathematics, the notion of permutation relates to the act of arranging all the members of a set into some sequence or order, or if the set is already ordered, rearranging (reordering) its elements ...

s1_count, s2_count = [0] * 26, [0] * 26 # create empty lists # idea is to store the 26 letters of the alphabet for i in range(len(s1)): # iterate through the first couple letters in s2 so that # we ...