save project

diy.py

-filel=open("C:\\Users\\Administrator\\Desktop\\a.txt","w",encoding="utf-8")
-filel.write("小兰：12本")
-filel.close()
+filel=open("C:\\Users\\Administrator\\Desktop\\book.txt","a",encoding="utf-8")
+filel.write("小兰：12本\n")
+filel.write("小丽：11本\n")
\ No newline at end of file
+filel.write("李文：9本\n")
+filel.write("张伟：16本\n")
+filel.write("中凯：30本\n")
+filel.close()
+with open("C:\\Users\\Administrator\\Desktop\\book.txt","a",encoding="utf-8") as
+filel:
+    filel.write("小兰：12本\n")
+    filel.write("小丽：11本\n")
+    filel.write("李文：9本\n")
+    filel.write("张伟：16本\n")
+    filel.write("中凯：30本\n")
\ No newline at end of file