save project

diy.py

+file=open(r'C:\Users\Lenovo\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')
+a=file.readlines()
+list=[]
+for i in a:
+    b=i.split()
+    print(b)
+    sum=0
+    for i in b[1:]:
+        sum=sum+int(i)
+    f=b[0]+str(sum)
+    list.append(f)
+print(list)
+with open(r'C:\Users\Lenovo\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8') as file:
+                file.write(list)