#!/usr/bin/python
# -*- coding: utf-8 -*-
# @author: B20769-feiyu


# For beginner
# 1. variable - num,str,boolean
# 2. if
# 3. > < >= <= ==
# 4. print
def main():
	who = '我的老妈'
	good_price = 4  #小贩的价格变成了4元
	good_description = "西双版纳大白菜" #小贩的招牌

	is_cheap = False #是否便宜
	reasonable_price = 5 #老妈能接受的最高价格
	buy_amount = 2 #准备买 2 斤

	# 开始你的表演
	# go 我们来走一组
	print "%s上街看到了%s，卖 %d 元/斤" % (who, good_description, good_price)

	if good_price <= reasonable_price:
		print '她认为便宜'
		is_cheap = True
		print '她买了 %d 斤' % (buy_amount)
	else:
		print '她认为贵了 '
		is_cheap = False
		print '她并没有买，扬长而去'
		
		# homework
		# 1. 看 day1-homework.py

# run function
if __name__ == '__main__':
	main()