auto save

my_csv.py

@@ -4,5 +4,4 @@ data = [["姓名", "语文", "数学", "英语"],
         ["聪聪", 95, 91, 95]]
         ["聪聪", 95, 91, 95]]
 with open("jj.csv","w",encoding="utf-8",newline="")as fi:
 with open("jj.csv","w",encoding="utf-8",newline="")as fi:
     writer=csv.writer(fi)
     writer=csv.writer(fi)
-    for i in data:
-            writer.writerow(i)
+    writer.writerows(data)    
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