每日一步

# coding=utf-8 score = 80 if score>60 : print("很好") elif score>40 : print("差") 要在开头声明# coding=utf-8但是要注意的是 = 号两边不能有空格，不然不会生效。

1.声明 a = 2 b = 3 c =a + b; 2.判断 if a>3 :        print("hahah") 3.循环 for i in range(0,100): print（i） 4 字符串拼接 for i in range(0,100): print("item {0}{1}".format(i,"hello wor

# coding:utf8 from bs4 import BeautifulSoup import urllib2url = "http://www.baidu.com" response = urllib2.urlopen(url) str = response.read()soup = BeautifulSoup(str, 'html.parser',