save project

11.py

@@ -6,4 +6,8 @@ file1.close()
 with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8') as file:
     file.write('小一:12本\n')
     file.write('小机:12本\n')
-    file.write('小坤:12本\n')
\ No newline at end of file
+    file.write('小坤:12本\n')
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if'小强:10本' in data:
+            print('数据在文件中')
\ No newline at end of file