save project

diy.py

@@ -5,7 +5,5 @@
 # file1.write('李文：9本\n')
 # file1.write('张伟：16本\n')
 # file1.close()
-with open(r"C:\Users\Administrator\Desktop\test.txt",'r',encoding='utf-8')as file1:
-    for data in file1:
-        if '李明：10本' in data:
-            print('是的')
\ No newline at end of file
+with open(r"C:\Users\Administrator\Desktop\test.txt",'a',encoding='utf-8')as file1:
+    file1.write('李明：10本\n')
\ No newline at end of file