auto save

file.csv

-姓名,语文,数学,英语
-小贝,98,99,92
-聪聪,95,91,95
+姓名,语文,数学,英语
+小贝,98,99,92
+聪聪,95,91,95

my_csv.py

 import csv
-subject = ["姓名", "语文", "数学", "英语"]
-score1 = ["小贝", 98, 99, 92]
-score2 = ["聪聪", 95, 91, 95]
-with open('file.csv','w',encoding='utf-8') as csvfile:
+subject = [["姓名", "语文", "数学", "英语"],
+            ["小贝", 98, 99, 92],["聪聪", 95, 91, 95]]
+with open('file.csv','w',encoding='utf-8',newline='') as csvfile:
     object1 = csv.writer(csvfile)
-    object1.writerow(subject)
-    object1.writerow(score1)
-    object1.writerow(score2)
+    object1.writerows(subject)