作业2

import jieba

import jieba.analyse

text = '''

'''

fenci_text = jieba.cut(text)

 

stopwords = {}.fromkeys([ line.rstrip() for line in open('stopwords.txt') ])

final = ""

for word in fenci_text:

if word not in stopwords:

if (word != "。" and word != "，") :

final = final + " " + word
print(final)

 

a=jieba.analyse.extract_tags(text, topK = 5, withWeight = True, allowPOS = ())

print(a)
（上面这部分我不太会来自于网络）

 

goods_dict = {

"001":{"name": "薯片", "price": 6.5},

"002":{"name": "饼干", "price": 10},

"003":{"name": "糖果", "price": 9},

"004":{"name": "面包", "price": 6},

}

 

def goods_info():

print('-'*20+'打印商品列表：'+'-'*20)

print('商品编号\t商品名称\t商品价格')

for i in goods_dict.keys():

print("{} \t{} \t{}".format(i,goods_dict[i]['name'],goods_dict[i]['price']))

 

orders = []

i=0

def order_add():

global i

i =i + 1

good_index = input('请输入商品编号：')

while good_index not in goods_dict.keys():

good_index = input('请输入正确商品编号：')

else:

while 1:

try:

good_num = int(input('请输入商品数量：'))

except:

print('输入数量不符合数据格式！')

else:

break

order = { }

order['订单号:'] = i

order['商品名称：'] = goods_dict[good_index]['name']

order['单价：'] = goods_dict[good_index]['price']

order['购买数量：'] = good_num

 

orders.append(order)

print('你的订单如下：')

for item in orders:

print("订单编号：{} \t商品名称：{} \t 单价：{} \t购买数量：{}"

.format(item['订单号:'], item['商品名称：'], item['单价：'],item['购买数量：']))

is_keep= input('是否继续购物：（继续请输入yes）')

if is_keep== 'yes':

order_add()

else:

money = 0

for key in orders:

money += key['购买数量：']* key['单价：']

print('你的订单已提交，应付金额为%d元'%money)

pay = 0

while not pay ==money:

while 1:

try:

pay = int(input('请输入付款金额：'))

except:

print('请输入正确付款金额！')

else:

break

print('请输入正确付款金额！')

print('购物成功，欢迎再次光临！')

if __name__ == '__main__':

print('欢迎光临，我们提供如下产品供你购买：')

goods_info()

isbuy = input('是否购买商品：（购买请输入‘Buy’）')

if isbuy == 'yes':

order_add()

else:

print('谢谢你的光顾！')

quit()
（后面这里是自己收集资料改写而成）