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fromlxmlimportetree importrequests file=open('xpath.html','r',encoding='...
# hw_13 #抓取網(wǎng)頁數(shù)據(jù) importrequests url ='http://www.ygdy8.com/' headers = { ...
1系枪。對想要訪問的網(wǎng)站的內(nèi)容進(jìn)行索引,然后把所訪問的頁面記錄保存下來坦敌。主要是針對標(biāo)準(zhǔn)化的URL 進(jìn)行信息索取弟头。 2.對我們的作業(yè)所在的網(wǎng)頁查看源代碼.
# 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創(chuàng)建txt 文件并寫入相應(yīng)的內(nèi)容 import csv with open(r'C:\Users\haoran\Desktop\temp.t...
# 一.格式化傳參 # 1.定義一個字符串 base_url='http://www.python.com/?page={}' # 2.請將數(shù)字...
#HW_6_logic True and True True 1==1and2==1 False "test"=="test True 1==1...
#2 s1='http://www.reibang.com/u/5b5a9a0eac12' s2=s1[-12::] print(s2) #3 ...