#-*- coding: UTF-8 -*- """ 参考文献:http://www.oschina.net/p/pymongo 驱动安装: 驱动下载地址https...
什么场景用得到呢?例如监控不断增长的日志时候,可以方便的从上次读取到的地方接着往下读取。#-*- coding: UTF-8 -*- file = 'test.txt'...
# 父类 class User: # 定义属性 uid = 0 name = '' # 子类(继承User类) class...
import pymysql # 数据库链接 conn = pymysql.connect( host='127.0.0.1', port=3306,&nb...
try: a = 1/0 except Exception as e: print(e) else: print('else') finally...
# 只读 fo = open('test.txt') content = fo.read() fo.flush() # 提交...
import copy a = [1, 2, 3] # 浅拷贝,内存地址不变 b = a a[0] = 8 print(i...
简单的python的爬虫实现,仅仅作为练习代码使用。import re import urllib.request import sys,os # 获取网页html def ge...
import re # 查找abc print(re.findall('abc', 'xxxxabcxxxabcxxxx')) #['abc',...
新建“my_model.py”文件:from __future__ ipmort division def show(): return '说易事'; print(_...
阅读: 19772
阅读: 16897 评论:1
阅读: 15997
阅读: 15889
阅读: 15479
阅读: 15245
扫扫关注微信