https://programmers.co.kr/learn/courses/30/lessons/12917
def solution(s):
p_count = 0
y_count = 0
for i in s:
if i == 'p' or i == 'P':
p_count += 1
if i == 'y' or i == 'Y':
y_count += 1
if p_count == y_count:
return True
else:
return False
print(solution("pPoooyY"))
print(solution("Pyy"))