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
line1 = input().upper() hash_table = dict() for sub in line1: if not hash_table.get(sub): hash_table.setdefault(sub, 1) else: hash_table[sub] += 1 line2 = input().upper() print(hash_table.get(line2, 0))