ABC-poisto

#!/usr/bin/python3
 
t = int(input())
for _ in range(t):
	s = input()
	a = sum(1 for c in s if c == "A")
	b = sum(1 for c in s if c == "B")
	c = sum(1 for c in s if c == "C")
	isoin = max([a, b, c])
	toiset = len(s) - isoin
	if toiset <= isoin:
		print(len(s) - (isoin - toiset))
	else:
		print(len(s) - (len(s) % 2))

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED