fromlxmlimportetree importrequests file=open('xpath.html','r',encoding='...
# hw_13 #抓取网页数据 importrequests url ='http://www.ygdy8.com/' headers = { ...
1。对想要访问的网站的内容进行索引,然后把所访问的页面记录保存下来。主要是针对标准化的URL 进行信息索取。 2.对我们的作业所在的网页查看源代码.
# HW_10 defmain(num): a=1 b=0 while True: ifa%2==0ora%3==0: b=b+1 ifa ==...
#1 g to kg convert def g_to_kg(g): print(str(float(g)*0.001)+ 'kg') g=in...
#1创建txt 文件并写入相应的内容 import csv with open(r'C:\Users\haoran\Desktop\temp.t...
# 一.格式化传参 # 1.定义一个字符串 base_url='http://www.python.com/?page={}' # 2.请将数字...
#HW_6_logic True and True True 1==1and2==1 False "test"=="test True 1==1...
#2 s1='http://www.jianshu.com/u/5b5a9a0eac12' s2=s1[-12::] print(s2) #3 ...