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))
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