save project

diy.py

+list1=open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')
+a=list1.readlines()
+list=[]
+for i in a:
+    c=i.split()
+    sum=0
+    for b in c[1:]:
+        sum=sum+int(b)
+    result=c[0]+str(sum)+"\n"
+    list.append(result)
+list1=open(r'C:\Users\Administrator\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8')
+list1.writelines(list)
\ No newline at end of file