Sanalista

import collections
 
x = int(input())
w = []
for i in range(x):
	#w.append("".join(sorted(input())))
	w.append(sorted(input()))
count = 0
 
for s in w:
	r = 0
	lista = dict(collections.Counter(s))
	for t,u in lista.items():
		if(u % 2 != 0):
			r = r + 1
	if r == 0:
		count = count + 1
 
print(count)

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED