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
for line in sys.stdin:
line = line.upper()
list1 = list(line)
pin = input().upper()
num = 0
for word in list1:
if word == pin:
num += 1
print(num)
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这样才显得专业