save project

diy.py

@@ -2,4 +2,8 @@
 file1 = open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8')
 file1 = open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8')
 file1.write('123456\n')
 file1.write('123456\n')
 file1.write('qqdwdwd')
 file1.write('qqdwdwd')
-file1.close()
+file1.close()
\ No newline at end of file
+
+with open(r'C:\Users\Administrator\Desktop\book.txt','a',encoding='utf-8') as file1:
+    file1.write('小强：10本\n')
+    file1.write('李明：15本\n')
\ No newline at end of file