Python爬虫:爬取百度关键词联想

# -*- coding:utf-8 -*-from urllib.parse import quote
import requests
import platform
import osSYSTEM = platform.system() # 得到系统信息def get_baidu_word(wd):url = 'https://sp0.baidu.com/5a1Fazu8AA54nxGko9WTAnF6hhy/su?wd='+quote(wd)headers = {'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36'}response = requests.get(url, headers=headers)text = response.texti = text.index('s:[')data = eval(text[i+2:-3])return data # 关键词联想, list类型def show_baidu_word(wd):'''打印联想词反馈结果'''data = get_baidu_word(wd)print('--------联想词反馈:--------')for item in data:print('\t', item)print('------------End-------------')def cls():'''清屏函数'''if SYSTEM == 'Linux':os.system('clear')elif SYSTEM == 'Windows':os.system('cls')elif SYSTEM == '':pass	def main():while True:print('请输入关键词:', end='')input1 = input()cls()if input1 == 'quit':print('bye!')breakelif input1 == '':cls()continueelse:print('关键词:', input1)show_baidu_word(input1)if __name__ == '__main__':main()

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