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Lyndon.lin
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‎Lyndon1994/0000.py‎

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# -*- coding: utf-8 -*-
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# 将你的 QQ 头像（或者微博头像）右上角加上红色的数字，类似于微信未读信息数量那种提示效果。
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from PIL import Image, ImageFont, ImageDraw
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def add_num(img):
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im = Image.open(img)
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w, h = im.size
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font = ImageFont.truetype('/usr/share/fonts/truetype/ubuntu-font-family/UbuntuMono-R.ttf', 30)
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fillcolor = "#ff0000"
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draw = ImageDraw.Draw(im)
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draw.text((w - 20, 0), '1', font=font, fill=fillcolor)
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im.save('r.jpg', 'jpeg')
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if __name__ == '__main__':
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add_num('1.jpg')

‎Lyndon1994/0001.py‎

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# -*- coding: utf-8 -*-
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# 做为 Apple Store App 独立开发者，你要搞限时促销，
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# 为你的应用生成激活码（或者优惠券），
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# 使用 Python 如何生成 200 个激活码（或者优惠券）
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import random
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import string
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forSelect = string.ascii_letters + string.digits
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def generate_code(count, length):
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for x in range(count):
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Re = ""
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for y in range(length):
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Re += random.choice(forSelect)
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print(Re)
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if __name__ == '__main__':
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generate_code(200, 20)

‎Lyndon1994/0002.py‎

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# -*- coding: utf-8 -*-
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# 第 0002 题：将 0001 题生成的 200 个激活码（或者优惠券）保存到 MySQL 关系型数据库中。
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import mysql.connector
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import random
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import string
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import mysql.connector
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forSelect = string.ascii_letters + string.digits
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def generate_code(count, length):
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for x in range(count):
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Re = ""
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for y in range(length):
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Re += random.choice(forSelect)
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yield Re
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def save_code():
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conn = mysql.connector.connect(user='root', password='l', database='test')
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cursor = conn.cursor()
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codes = generate_code(200, 20)
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for code in codes:
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cursor.execute("INSERT INTO `code`(`code`) VALUES(%s)", params=[code])
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conn.commit()
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cursor.close()
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if __name__ == '__main__':
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save_code()

‎Lyndon1994/0003.py‎

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# -*- coding: utf-8 -*-
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# **第 0003 题：**将 0001 题生成的 200 个激活码（或者优惠券）保存到 Redis 非关系型数据库中。
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import redis
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import random
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import string
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forSelect = string.ascii_letters + string.digits
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def generate_code(count, length):
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for x in range(count):
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Re = ""
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for y in range(length):
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Re += random.choice(forSelect)
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yield Re
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def save_code():
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r = redis.Redis(host='127.0.0.1', port='6379', password='linyii')
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codes = generate_code(200, 20)
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p = r.pipeline()
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for code in codes:
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p.sadd('code', code)
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p.execute()
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return r.scard('code')
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if __name__ == '__main__':
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save_code()

‎Lyndon1994/0004.py‎

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# -*- coding: utf-8 -*-
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# **第 0004 题：**任一个英文的纯文本文件，统计其中的单词出现的个数。
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import re
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fin = open('source/0004-text.txt', 'r')
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str = fin.read()
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reObj = re.compile('\b?(\w+)\b?')
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words = reObj.findall(str)
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wordDict = dict()
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for word in words:
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if word.lower() in wordDict:
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wordDict[word.lower()] += 1
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else:
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wordDict[word] = 1
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for key, value in wordDict.items():
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print('%s: %s' % (key, value))

‎Lyndon1994/0005.py‎

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# -*- coding: utf-8 -*-
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"""
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**第 0005 题：**
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你有一个目录，装了很多照片，把它们的尺寸变成都不大于 iPhone5 分辨率的大小。
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"""
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from PIL import Image
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import os
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path = 'source/0005/pics'
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resultPath = 'source/0005/result'
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if not os.path.isdir(resultPath):
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os.mkdir(resultPath)
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for picName in os.listdir(path):
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picPath = os.path.join(path, picName)
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print(picPath)
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with Image.open(picPath) as im:
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w, h = im.size
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n = w / 1366 if (w / 1366) >= (h / 640) else h / 640
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im.thumbnail((w / n, h / n))
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im.save(resultPath+'/finish_' + picName.split('.')[0] + '.jpg', 'jpeg')

‎Lyndon1994/0006.py‎

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# -*- coding: utf-8 -*-
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"""
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**第 0006 题：**
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你有一个目录，放了你一个月的日记，都是 txt，
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为了避免分词的问题，假设内容都是英文，请统计出你认为每篇日记最重要的词。
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"""
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import os
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import re
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def findWord(DirPath):
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if not os.path.isdir(DirPath):
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return
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fileList = os.listdir(DirPath)
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reObj = re.compile('\b?(\w+)\b?')
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for file in fileList:
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filePath = os.path.join(DirPath, file)
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if os.path.isfile(filePath) and os.path.splitext(filePath)[1] == '.txt':
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with open(filePath) as f:
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data = f.read()
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words = reObj.findall(data)
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wordDict = dict()
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for word in words:
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word = word.lower()
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if word in ['a', 'the', 'to']:
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continue
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if word in wordDict:
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wordDict[word] += 1
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else:
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wordDict[word] = 1
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ansList = sorted(wordDict.items(), key=lambda t: t[1], reverse=True)
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print('file: %s->the most word: %s' % (file, ansList[1]))
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if __name__ == '__main__':
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findWord('source/0006')

‎Lyndon1994/0007.py‎

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# -*- coding: utf-8 -*-
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"""
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**第 0007 题：**
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有个目录，里面是你自己写过的程序，统计一下你写过多少行代码。包括空行和注释，但是要分别列出来。
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"""
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import os
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import re
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def stat_code(dir_path):
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if not os.path.isdir(dir_path):
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return
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exp_re = re.compile(r'^#.*')
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file_list = os.listdir(dir_path)
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print("%s\t%s\t%s\t%s" % ('file', 'all_lines', 'space_lines', 'exp_lines'))
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for file in file_list:
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file_path = os.path.join(dir_path, file)
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if os.path.isfile(file_path) and os.path.splitext(file_path)[1] == '.py':
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with open(file_path) as f:
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all_lines = 0
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space_lines = 0
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exp_lines = 0
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for line in f.readlines():
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all_lines += 1
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if line.strip() == '':
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space_lines += 1
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continue
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exp = exp_re.findall(line.strip())
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if exp:
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exp_lines += 1
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print("%s\t%s\t%s\t%s" % (file, all_lines, space_lines, exp_lines))
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if __name__ == '__main__':
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stat_code('.')

‎Lyndon1994/0008.py‎

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# -*- coding: utf-8 -*-
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"""
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第 0008 题：一个HTML文件，找出里面的正文。
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"""
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import requests,re
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from bs4 import BeautifulSoup
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url = 'http://linyii.com'
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data=requests.get(url)
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r = re.findall(r'<body>[\s\S]*</body>',data.text)
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print(r[0])
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print('---------------------------------------------------------------')
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soup = BeautifulSoup(data.text,'html.parser')
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print(soup.body.text)

‎Lyndon1994/0009.py‎

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# -*- coding: utf-8 -*-
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"""
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第 0009 题：一个HTML文件，找出里面的链接。
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"""
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import requests,re,os
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from bs4 import BeautifulSoup
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url = 'http://linyii.com'
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data=requests.get(url)
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# urls = re.findall(r'<a.*href=\"(.*?)\".*</a>',data.text)
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# print(urls)
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soup = BeautifulSoup(data.text,'html.parser')
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urls = soup.findAll('a')
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for u in urls:
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print(u['href'])

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