auto save

diy.py

-with open (r"C:\Users\86159\Desktop\sales_list.txt","r",encoding="utf-8") as a:
-    b=a.read()
-    print(b)
+
+with open (r"C:\Users\86159\Desktop\sales_list.txt","r",encoding="utf-8") as file:
+    a=file.readlines()
+    # print(a)
+list_new=[]
+for i in a:
+    data=i.split()
+    # print(data[1:])
+    sum=0 
+    for v in data[1:]:
+        sum+=int(v)
+    s=data[0]+str(sum)+"\n"
+    # print(s)
+    list_new.append(s)
+with open (r"C:\Users\86159\Desktop\new_mingx.txt","a",encoding="utf-8") as file:
+    file.writelines(list_new)
\ No newline at end of file