'''
import sys
#1.返回操作系统平台名称
print(sys.platform)
if sys.platform == "win32":
print("win32")
else:
print("NO-win32")
============================
#2.强制程序退出
sys.exit() # 强制程序退出
============================
#3.导入包的路径列表
sys.path : 导入包的路径列表
============================
#4.sys.argv # 命令行参数List，第一个元素是程序本身路径
#(1)
sys.argv
print("请登录")
name = input("用户名:")
pwd = input("密码:")
if name == "huchangxi" and pwd == "123456":
print("登录成功")
============================
#(2)
sys.argv
print("sys.argv:", sys.argv)
user_index = sys.argv.index("-u") + 1
user = sys.argv[user_index]
pwd_index = sys.argv.index("-p") + 1
pwd = sys.argv[pwd_index]
if user == "huchangxi" and pwd == "123456":
print("登录成功")
============================
'''
