题解 | #计算某字符出现次数#
计算某字符出现次数
https://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
import re
try:
stack=[]
str1=input()
flag=input()
for i in str1:
stack.append(i.lower())
print(stack.count(flag.lower()))
except:
pass
