save project

diy.py

@@ -2,5 +2,7 @@
 #file1=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
 #file1.write('小兰：12本、小丽：11本、李文：9本、张伟：16本')
 #file1.close()
-with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8')as file:
-    file.write('小强：12本\n')
+with open(r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file:
+    for data in file:
+        if '小强' in data:
+            print ('数据在文件中')