save project

diy.py

@@ -3,4 +3,8 @@ filel=open(r'C:\\Users\\Public\\Desktop\\test.txt',"w",encoding='utf-8')
 filel.write('小兰：12本\n')
 filel.write('小丽：11本\n')
 filel.write('李文：9本\n')
-filel.close()
\ No newline at end of file
+filel.close()
+
+with open(r'C:\\Users\\Public\\Desktop\\test.txt',"a",encoding='utf-8')as filel:
+     filel.write('小强：12本\n')  
+     filel.write('小美：5本\n')
\ No newline at end of file