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
while True:
try:
a = input()
aa = a.lower()
b = input().lower()
n = aa.count(b)
print(n)
except:
break
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