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 sys
flag = 0
s = ''
for line in sys.stdin:
line = line.strip()
if flag == 0: s = line ; flag = 1
else: key = line ;print(s.lower().count(key.lower()))
查看4道真题和解析