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numpy from numpy import * import numpy as np # numpy 简单运用实例 print(eye(4)) # 创...
create_table import pymysql # 打开数据库连接 conn = pymysql.connect( host="127.0.0...
mongodb #导入 MongoClient 模块 from pymongo import MongoClient, ASCENDING, DESCENDIN...
sqlite_demo 导入模块 mport sqlite3 连接数据库 onn = sqlite3.connect('test.db') 创建游标 ...
github import scrapy import re class GithubSpider(scrapy.Spider): name = 'g...
WxCrawler # coding:utf-8 import requests import re import html import demjson im...
redis import redis #导入redis模块 # 建议使用以下连接池的方式 # 设置decode_responses=True，写入的KV对...
demo import newspaper # 词频统计库 import collections # numpy库 import numpy as np # 结...
crawlerdb import mysql.connector import pymysql from pyspider.result import Res...
FBP_Scrapy import datetime import sys import requests import scrapy import time ...
itemcsvexporter from scrapy.conf import settings # from scrapy.contrib.exporter ...
BeautifulSoup.py from bs4 import BeautifulSoup # demo 1 # soup = BeautifulSoup(...
BeautifulSoup 实战 from bs4 import BeautifulSoup html_doc = """ <html><head><titl...
selenium-browser-back-forward from selenium import webdriver import time # 声明浏览...
python-error-and-exception #!/usr/bin/env python3 # -*- coding: utf-8 -*- ###基类...
input_output # 1 str.format() 示例 # 1) print('{}网址： "{}!"'.format('Python技术', 'w...
print # 改变变量的值，变量的标识也对应改变 python_variable = 10000 print("first id of python_vari...
tuple tup1 = ('baidu', 'google', 12, 34); tup2 = (1, 2, 3, 4, 5 ); tup3 = "a", "...
list # 使用list函数 ll = list('hello list') print(ll) # 列表元素赋值 如 x[3]=5 x = [1,2,3,...
do.py # 导入模块 import hello # 现在可以调用模块里包含的函数了 hello.sayhello() ## 直接导入方法 from ...
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