#!/usr/bin/python
# -*- coding: UTF-8 -*-

flag = False
name = 'luren'
if name == 'python':
    flag = True
    print('welcome boss')
else:
    print(name)

# python 不支持switch
num = 5
if num == 3:
    print('boss')
elif num == 2:
    print('user')
elif num == 1:
    print('worker')
else:
    print('roadman')
