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)
（这些部分我不会是从百度网络上找的）
goods_dict = {
"001":{"name": "记事本", "price": 15},
"002":{"name": "钢笔", "price": 10},
"003":{"name": "橡皮擦", "price": 3},
"004":{"name": "尺子", "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()
（以下这些是我自己收集资料通过改写的）