save project

diy.py

@@ -9,3 +9,9 @@ file=open(r'C:\Users\Administrator\Desktop\bb.txt','a',encoding='utf-8')
 file.write('小强:10本\n')
 file.write('小强:10本\n')
 file.write('李明:15本\n')
 file.write('李明:15本\n')
 file1.close()
 file1.close()
+with open(r'C:\Users\Administrator\Desktop\bb.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')