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
s = input()
target = input()
dic_s = {}
for i in s:
if i not in dic_s:
dic_s[i] = 1
else:
dic_s[i] += 1
sum = 0
if target in dic_s:
sum += dic_s[target]
if '0' <= target <= '9':
pass
else:
if chr(ord(target)+32) in dic_s:
sum += dic_s[chr(ord(target)+32)]
if chr(ord(target)-32) in dic_s:
sum += dic_s[chr(ord(target)-32)]
print(sum)
原始一点点的解法 文章被收录于专栏
尽量不借助面向对象的思想，自己去实习具体过程
