Python3.6全栈开发实例[026]

Posted 2020-12-29 Apollo

27.文件a.txt内容：每一行内容分别为商品名字，价钱，个数。
apple 10 3
tesla 100000 1
mac 3000 2
lenovo 30000 3
chicken 10 3
通过代码，将其构建成这种数据类型：
[{‘name‘:‘apple‘,‘price‘:10,‘amount‘:3},{‘name‘:‘tesla‘,‘price‘:1000000,‘amount‘:1}......] 并计算出总价钱.‘‘‘

import os,re
lst = []
with open(‘c‘,‘r‘,encoding=‘utf-8‘) as f1:
    dic = {}
    for line in f1:
        li = re.sub(r‘s{1,}‘,‘,‘,line).strip(‘,‘)
        dic[‘name‘],dic[‘price‘],dic[‘amount‘] = li.split(‘,‘)
        lst.append(dic)
print(lst)