题解 | #计算某字母出现次数#
计算某字母出现次数
http://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
ipt = input().lower()
words = input().lower()
count = 0
if len(words) > 500:
print('the value is error')
for item in ipt:
if item == words:
count += 1
print(count)