统计差异时间出现次数

count_times.py

#!/usr/bin/env python3

import os

log_path = "/tmp/log"

# 读取log内容
with open(log_path, 'r') as f:
    read_data = f.read()

# 去掉换行符
list_data = read_data.split("\n")[1:-1]
# print(list_data)
list_num = []

# 取得log秒值
for item in list_data:
    num = item.split(" ")[4]
    list_num.append(num)

# 统计列表中相同的元素
myset = set(list_num)  
print("seconds\t\tcounts\r")  

# 统计相同元素出现的次数
for item in myset:
    print(item + "\t\t%s\r" % list_num.count(item))
print("log has %s items." % len(list_num))

infile.md

......
2015-07-31 10:58:27: result is 23 seconds
2015-07-31 10:59:01: result is 57 seconds
2015-07-31 11:00:01: result is 57 seconds
2015-07-31 11:01:01: result is 57 seconds
2015-07-31 11:02:01: result is 57 seconds
2015-07-31 11:03:01: result is 57 seconds
2015-07-31 11:04:01: result is 57 seconds
2015-07-31 11:05:01: result is 57 seconds
2015-07-31 11:06:01: result is 57 seconds
2015-07-31 11:07:02: result is 58 seconds
2015-07-31 11:08:01: result is 57 seconds
2015-07-31 11:09:01: result is 57 seconds
2015-07-31 11:10:01: result is 57 seconds
2015-07-31 11:11:01: result is 57 seconds
2015-07-31 11:12:01: result is 57 seconds
2015-07-31 11:13:01: result is 57 seconds
2015-07-31 11:14:01: result is 57 seconds
2015-07-31 11:15:01: result is 57 seconds
2015-07-31 11:16:02: result is 58 seconds
2015-07-31 11:17:01: result is 57 seconds
2015-07-31 11:18:01: result is 57 seconds
2015-07-31 11:19:01: result is 57 seconds
...

out.md

seconds		counts
55		    8
59		    170
57		    4905
118		    1
56		    52
23		    1
63		    1
3           1
58		    2145
log has 7284 items.