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'
 # 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'
+new_date=""
 with open (r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file:
 with open (r'C:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file:
     for i in file:
     for i in file:
         if "小强:12本" in i:
         if "小强:12本" in i:
-            print("文件中有")
+            i = i.replace('小强:12本','小强:11本')
\ No newline at end of file
+        new_date = new_date + i
+
+with open (r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8') as file1:
+    file1.write(new_date)
\ No newline at end of file