save project

diy.py

@@ -2,15 +2,17 @@ with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',enco
     a=file.readlines()
     # print(a)
 
+fsum=[]
 for i in a:
     data=i.split()
     # print(data[1:])
     sum=0
     for s in data[1:]:
         sum=sum+int(s)
-    result=data[0]+str(sum)
-    print(result)
-
+    result=data[0]+str(sum)+'\n'
+    fsum.append(result)
 
 
+with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8') as file:
+    file.writelines(fsum)