Python学习：获取标签属性

<?xml version="1.0" encoding="utf-8"?>
<info>
 <base>
  <platform>Windows</platform>
  <browser>Firefox</browser>
  <url>http://www.baidu.com</url>
    <login username="admin" password="123456"/>
    <login username="guest" password="654321"/>
 </base>
 <test>
 <province>北京</province>
 <province>广东</province>
   <city>深圳</city>
   <city>珠海</city>
<province>浙江</province>
   <city>杭州</city>
 </test>
</info>

#coding=utf-8
import xml.dom.minidom  
dom =xml.dom.minidom.parse('E:\\Selenium_Relatived\\learning\\info.xml')

root =dom.documentElement
print(root.nodeName)
tagname = root.getElementsByTagName('browser')
print(tagname[0].tagName)

tagname1 = root.getElementsByTagName('login')
print(tagname1[1].tagName)

tagname2 = root.getElementsByTagName('province')
print(tagname2[2].tagName)

#coding=utf-8
import xml.dom.minidom  
dom =xml.dom.minidom.parse('E:\\Selenium_Relatived\\learning\\info.xml')

root =dom.documentElement
print(root.nodeName)
logins = root.getElementsByTagName('login')
username=logins[0].getAttribute('username')
print(username)
username1=logins[1].getAttribute('username')
print(username1)

#coding=utf-8
import xml.dom.minidom  
dom =xml.dom.minidom.parse('E:\\Selenium_Relatived\\learning\\info.xml')

root =dom.documentElement
print(root.nodeName)
province = dom.getElementsByTagName('province')
citys = dom.getElementsByTagName('city')
p2=province[1].firstChild.data
print(p2)

c1 = citys[0].firstChild.data

print(c1)