Online Python Compiler

from collections import defaultdict def solve(s): left_freq = defaultdict(int) right_freq = defaultdict(int) n = len(s) for i in range(n//2): left_freq[s[i]] += 1 for i in range(n//2, n): right_freq[s[i]] += 1 for char in s: if right_freq[char] != left_freq[char]: return True return False s = "helloohekk" print(solve(s))