save project

diy.py

 with open(r"c:\Users\23636\Documents\lesson13-1\sales_list.txt","r",encoding="utf-8") as file1:
     a=file1.readlines()
+lyc=[]
 for i in a:
     data=i.split()
-    num=0
-    for p in data[1:]:
-        num=num+int(p)
-    result=data[0]+str(num)
-    print(result)
\ No newline at end of file
+    sum=0
+    for j in data[1:]:
+        sum += int(j)
+    result=data[0]+str(sum)+"\n"
+    lyc.append(result)
+with open(r"c:\Users\23636\Documents\lesson13-1\sales_list.txt","a",encoding="utf-8") as file2:
+    file2.writelines(lyc)
\ No newline at end of file