auto save

diy.py

 with open(r'c:\Users\pc04\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
 with open(r'c:\Users\pc04\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
     a=file.readlines()
     a=file.readlines()
+    finalsum=[]
     for i in a:
     for i in a:
         data=i.split()
         data=i.split()
         sum=0
         sum=0
         for j in data[1:]:
         for j in data[1:]:
-            sum+=int(data[j])
-        print(data[0]+str(sum))
+            sum+=int(j)
+        reslut=data[0]+str(sum)+'\n'
+        finalsum.append(reslut)
+with open(r"C:\Users\pc04\Desktop\sales.txt",'a',encoding='utf-8') as file1:
+    b=file1.writelines(finalsum)
         
         
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