save project

diy.py

@@ -3,8 +3,11 @@ file1=open(r'C:\Users\Administrator\Desktop\test.txt','w',encoding='utf-8')
 file1.write('小兰：12本')
 file1.write('小兰：12本')
 file1.close()
 file1.close()
 with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8') as file:
 with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding='utf-8') as file:
-    file.write("小强：13本")
+    file.write("小强：10本")
+new_data=''
 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 data in file:
     for data in file:
         if "小强：13本" in data:
         if "小强：13本" in data:
-            print("数据在")
+            data=data.replace('小强：10本','小强：11本')
\ No newline at end of file
+        new_data+=data
+        
\ No newline at end of file