diff --git a/day.py b/day.py
new file mode 100644
index 0000000..1e88aff
--- /dev/null
+++ b/day.py
@@ -0,0 +1 @@
+class
\ No newline at end of file
diff --git a/diy.py b/diy.py
index 27444a9..d9464af 100644
--- a/diy.py
+++ b/diy.py
@@ -1,8 +1,15 @@
+new_data=''
+with open('C:\Users\Administrator\.belleditor\extensions','w',encoding='utf-8') as file1:
+    for data in filr1:
+        if '小强:10本'in data:
+            data=data.replace('小强:10本','小强:11本')
+        if '小兰:12本'in data:
+            data=data.replace('小兰:12本','小兰:14本')
+        new_data+=data
 
+with open('C:\Users\Administrator\.belleditor\extensions','w',encoding='utf-8') as file1:
+    file1.write(new_data)
 
-
-with open('C:\User\book.txt','w',encoding='utf-8') as k:
-    k.write('李明：15本')
-    k.write('小张：12本')
-for i in range(i): 
-    print(k.read)   
\ No newline at end of file
+with open('C:\Users\Administrator\.belleditor\extensions','r',encoding='utf-8') as file1:
+    a=file1.read()
+    print(a)
\ No newline at end of file