save project

1.py

@@ -5,5 +5,11 @@ filel1.write('李文:9本')
 filel1.write('张伟:16本')
 filel1.close()
 with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8') as file1:
-    file1.write('小强：12本')
-    file1.write('李明：15本')
\ No newline at end of file
+    file1.write('小强:12本')
+    file1.write('李明：15本')
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强:12本' in data:
+            print('数据在文件中')
+        if '小兰：12本' in data:
+            print('数据在文件中')
\ No newline at end of file