# -*- coding: utf-8 -*-
# Quick Pytohn Script Explanation for Progeammers
# 给程序员的超快速Py脚本解说
import os

def main():
    print 'Hello World!'
    
    print "这是Alice\'的问候."
    print '这是Bob\'的问候.'
    
    foo(5, 10)
    
    print '=' * 10
    print '这将直接执行'+os.getcwd()
    
    counter = 0
    counter += 1
    
    food = ['苹果', '杏子', '李子', '梨']
    for i in food:
        print '俺就爱整只:'+i
        
    print '数到10'
    for i in range(10):
        print i

def foo(param1, secondParam):
    res = param1+secondParam
    print '%s 加 %s 等于 %s'%(param1, secondParam, res)
    if res < 50:
        print '这个'
    elif (res>=50) and ((param1==42) or (secondParam==24)):
        print '那个'
    else:
        print '嗯...'
    return res  # 这是单行注释
    '''这是多
行注释......'''

if __name__=='__main__':
    main()