save project

diy.py

 with open(r'C:\Users\于景波\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as file:
 with open(r'C:\Users\于景波\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8')as file:
     a=file.readlines()
     a=file.readlines()
+    final_sum=[]
 for i in a:
 for i in a:
     realeavor=i.split()
     realeavor=i.split()
     sum=0
     sum=0
     for s in realeavor[1:]:
     for s in realeavor[1:]:
         sum=sum+int(s)
         sum=sum+int(s)
     result=realeavor[0]+str(sum)
     result=realeavor[0]+str(sum)
-    print(result)
+    final_sum.append(result)
\ No newline at end of file
+
+with open(r'C:\Users\于景波\Documents\lesson13-1\sales_list.txt','a',encoding='utf-8')as file:
+    file.writelines(final_sum)
\ No newline at end of file