随笔分类 - python基础
python基础
摘要：# -*- coding: utf-8 -*- """ Created on Wed May 9 14:12:25 2018 @author: JJ """ #12306账号 myuser="" mypasswd="" import urllib.request import re import ssl import urllib.parse import http.cookiejar imp...
阅读全文
摘要：数据库（右键打开位置，找到users点进去，第一个.db即文件列表，内含hd5），复制到同一目录：
阅读全文
摘要：import pymysql db = pymysql.connect(host='localhost', user='root', password='pz2212', port=3306, db='spiders') cursor = db.cursor() data = { 'id': '20120001', 'name': 'Bob', 'age': 20 } t...
阅读全文
摘要：import mitmproxy.http from mitmproxy import ctx, http class Joker: def request(self, flow: mitmproxy.http.HTTPFlow): if flow.request.host != "www.baidu.com" or not flow.request.path.sta...
阅读全文
摘要：from selenium import webdriver from selenium.webdriver.common.by import By from selenium.webdriver.common.keys import Keys from selenium.webdriver.support import expected_conditions as ec from seleni...
阅读全文
摘要：#!python3 #updateProduce.py-更正指定产品 成本价格（第二列） import openpyxl wb=openpyxl.load_workbook('produceSales.xlsx') sheet=wb.active #或sheet=wb['Sheet'] # 需要更新成本价格的产品，字典格式 PRICE_UPDATES = {'Garlic': 3.07, ...
阅读全文
摘要：grid = [['.', '.', '.', '.', '.', '.'], ['.', 'O', 'O', '.', '.', '.'], ['O', 'O', 'O', 'O', '.', '.'], ['O', 'O', 'O', 'O',
阅读全文
摘要：name = ''#名字为空即代表False while not name:#not name=False即 真，将执行循环体 print('Enter your name:') name = input()#给name赋值，如输入了空以外值，不会再有下一个循环while print('How many guests will you have?') numOfG...
阅读全文
摘要：#让用户输入一个宠物名字，然后检查该名字是否在宠物列表中 myPets = ['Zophie', 'Pooka', 'Fat-tail'] print('Enter a pet name:') name = input() if name not in myPets: print('I do not have a pet named ' + name) else: print(n...
阅读全文
摘要：#! python3 # mapIt.py - Launches a map in the browser using an address from the # command line or clipboard. import webbrowser, sys, pyperclip #如果命令输入了参数，就从命令里得到地名 if len(sys.argv) > 1: # Get add...
阅读全文
摘要：import requests,re,json,time from requests.exceptions import RequestException headers={ 'User-Agent':'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)' } def get_one_page(url): r=requests.g...
阅读全文
摘要：#匹配电话,例如：415-555-4242 def isPhoneNumber(text): if len(text) != 12: return False for i in range(0, 3): if not text[i].isdecimal(): return False if text[3] != '-...
阅读全文
摘要：import traceback try: raise Exception('这是一个错误信息') except: errFile=open('err.txt','w') errFile.write(traceback.format_exc()) errFile.close() print('错误信息已经写入err.txt文件中')
阅读全文
摘要：import requests,bs4,os #利用 requests 模块下载页面 url='http://xkcd.com' os.makedirs('xkcd', exist_ok=True) #创建一个文件夹xkcd while not url.endswith('#'): res=requests.get(url) res.raise_for_status() #没...
阅读全文
摘要：class Dog(): def __init__(self,name,age): self.name=name self.age=age def sit(self): print(self.name.title()+' 现在坐下了') def roll_over(self): print(self.name...
阅读全文
摘要：def hello(): print('Howdy!') print('Howdy!!!') print('Hello there.') hello()
阅读全文
摘要：import random heads = 0 for i in range(1, 1001): if random.randint(0, 1) == 1: heads = heads + 1 if i == 500: print('Halfway done!') print('Heads came up ' + str(heads) + ' ti...
阅读全文
摘要：##小程序，计算一个字符串中每个字符出现的次数+ import pprint message = 'It was a bright cold day in April, and the clocks were striking thirteen.' count = {} for character in message: count.setdefault(character, 0) ...
阅读全文
摘要：''' picnicItems 野餐用品清单 picnicItems sandwiches.................... 4apples........................ 12cups.......................... 4cookies...........
阅读全文
摘要：def boxPrint(symbol, width, height): if len(symbol) != 1: raise Exception('Symbol（符号） must be a single character string.') if width <= 2: raise Exception('Width must be greate...
阅读全文
