save project

diy2.py

-f=open('c:\\Users\\Administrator\\Desktop\\100.txt',"w",encoding='utf-8')
-f.write('小兰:12本\n')
-f.write('小丽:11本\n')
-f.write('李文:9本\n')
-f.write('张伟:16本\n')
-f.close()
\ No newline at end of file
+with open('c:\\Users\\Administrator\\Desktop\\100.txt',"a",encoding='utf-8') as f:
+    f.write('小强:10本\n')
+    f.write('李明:15本\n')
\ No newline at end of file