save project

diy.py

@@ -5,3 +5,6 @@ file1.write('小丽:11本\n')
 file1.write('李文:9本\n')
 file1.write('张伟:16本\n')
 file1.close()
+with open(r'C:\Users\CM\Destop\book.txt','w',encoding='utf-8') as file:
+    file.write('小强:10\n')
+    file.write('李明:15本\n')
\ No newline at end of file