save project

diy.py

@@ -4,6 +4,9 @@
 
 
 
-with open(r'C:\Users\CM\Desktop\book.txt','a',encoding='utf-8') as file:
-    file.write('小强：10本\n')
-    file.write('李明：15本\n')
\ No newline at end of file
+with open(r'C:\Users\admin\Desktop\book.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强:10本' in data:
+            print('小强数据在文件中')
+        if '小兰:12本'in data:
+            print('小兰数据在文件中')
\ No newline at end of file