auto save

err.py

+with open(r"C:\Users\Administrator\Documents\lesson13-1\sales_list.txt",'r',encoding='utf-8')as file:
+    a=file.readlines()
+files_sum=[]
+for i in a :
+    data=i.split()
+    # print(data[1:])
+    sum=0
+    for sales in data[1:]:
+        sum =sum+int(sales)
+    salass=data[0]+str(sum)+'\n'
+    files_sum.append(salass)
+
+with open(r"C:\Users\Administrator\Documents\lesson13-1\saleess_list.txt",'a',encoding='utf-8')as file:
+    file.writelines(files_sum)
\ No newline at end of file