auto save

diy.py

+with open(r'c:\Users\23636\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file2:
+    a=file2.readlines()
+    #print(a)
+#sum1=0
+final_sum=[]
+for i in a:
+    #print(i)
+    data=i.split()
+    #print(data[1:])
+    sum1=0
+    for i in data[1:]:
+        sum1 = sum1 + int(i)
+    result=data[0]+str(sum1)+'\n'
+    #print(result)
+    final_sum.append(result)
+with open(r'C:\Users\23636\Desktop\sales_list.txt','a',encoding='utf-8') as file3:
+    file3.writelines(final_sum)
\ No newline at end of file