题解 | #简单错误记录#

from collections import OrderedDict
import re
pattern=re.compile("[a-z]{1,16} \\d+")
dic=OrderedDict()
while True:
    try:
        s = re.search(pattern, input()).group()
        dic[s] = dic.get(s, 0) + 1
    except:
        break
dic=list(dic.items())
if len(dic)>8:
    dic=dic[-8:]
for x,y in dic:
    print(x,y)