auto save

diy.py

 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟
-file1=open(r'C:\Users\Administrator\Desktop\abcf.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()
\ No newline at end of file
+with open(r'C:\Users\Administrator\Desktop\abcf.txt','r',encoding='utf-8') as file1:
+    for data in file1:
+        if '小强：10本' in data:
+            print('数据在里面')
+        else:
+            print('数据不在里面')
+
+
+
+    
\ No newline at end of file