save project

diy.py

 with open(r"C:\Users\pc\Desktop\新建文件夹\成绩.txt","r",encoding="utf-8") as a:
     b=a.readlines()
+    final_sum=[]
     for i in b:
         data=i.split()
         sum=0
         for sales in data[1:]:
             sum=sum+int(sales)
-        result=data[0]+str(sum)
-        print(result)
\ No newline at end of file
+        result=data[0]+str(sum)+"\n"
+        final_sum.append(result)
+with open(r"C:\Users\pc\Desktop\新建文件夹\新成绩.txt","a",encoding="utf-8") as a:
+    a.writelines(final_sum)
\ No newline at end of file