save project

diy.py

-with open(r'c:\Users\TH\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as d:
-    a=d.read()
-    print(a)
+with open(r'c:\Users\TH\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as d:    #打开文件
+    a=d.readlines()         #读取多行
+   
+for i in a:           #i为每行数据   字符串
+    lent=i.split()     #整理数据  成列表   元素之间以间隔符为分隔
+    r=lent[1:]         #去掉索引为0的元素
+    sum=0
+    for s in r:      
+        # print(s)
+        sum=int(s)+sum
+    print(sum)