找到重复的行

Question

考虑这个文件： cat 1.txt

1 Red
1 Red
2 Red
2 Green
2 Green
4 Blu
5 Black
5 Black
5 Yellow
5 Pink
11 Brown
15 Brown
16 White

和这个命令   cat file.txt |排序| uniq -c

我怎么能用python做同样的事情？

Answer 1

类似的东西：

from collections import Counter
cnt = Counter()
with open('file.txt', 'r') as f:
    for line in f:
        cnt[line] += 1
for k, v in cnt.iteritems():
    print v, k