save project

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