auto save

my_csv.py

@@ -2,4 +2,12 @@ import csv
 
 subject = ["姓名", "语文", "数学", "英语"]
 score1 = ["小贝", 98, 99, 92]
-score2 = ["聪聪", 95, 91, 95]
\ No newline at end of file
+score2 = ["聪聪", 95, 91, 95]
+
+# 创建csv文件并写入
+# with open()方法参1创建csv文件参2写入模式w参3encoding参数设为utf-8
+with open("scores.csv", "w", encoding="utf-8") as csvfile:
+    writer = csv.writer(csvfile) # 用csv.writer()方法创建写入对象参数为csvfile并赋值给变量writer
+    writer.writerow(subject)   # 用writer.writerow()方法向csv文件写入列表subject
+    writer.writerow(score1)    # 用writer.writerow()方法向csv文件写入列表score1
+    writer.writerow(score2)    # 用writer.writerow()方法向csv文件写入列表score2

scores.csv

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