'''import random #生成(0,1)之间的随机数
a=random.random()
print(round(a,2))'''
'''import random
a=random.random()
c=random.choice(["张三","王五","赵六","李四","乐乐","所述","订单","缸盖","分工","挺好","师傅","通用","奋斗","如果坏","党费","如图","熔透焊","而如果","日股份工会","df","fr","rgrt","sgbtb","sferg","rgrthb",])
print(c)'''
'''from urllib import request
url="https://www.baidu.com/"
data=request.urlopen(url).read()
print(data.decode())'''
'''import os #打开指定软件
os.system("c:\windows\system32\mspaint.exe")'''
'''import os #对文件重命名
os.rename(r"D:\python\file\aaa.txt",r"D:\python\file\bbb.txt")'''
'''import webbrowser #打开浏览器
webbrowser.open("https://www.baidu.com/")'''