auto save

my_csv.py

@@ -4,5 +4,5 @@ subject = ["姓名", "语文", "数学", "英语"]
 score1 = ["小贝", 98, 99, 92]
 score2 = ["聪聪", 95, 91, 95]
 with open("a.csv","w","utf-8") as a:
-    csv.writer(a)
+    writer=csv.writer(a)
     writer.writerow(subject)
\ No newline at end of file