diff --git a/diy.py b/diy.py
new file mode 100644
index 0000000..b00aa56
--- /dev/null
+++ b/diy.py
@@ -0,0 +1,6 @@
+new_data''
+with open(r'C:\Users\Administrator\Desktop\test.txt','a',encoding = 'utf-8') as file1:
+    for data in file1:
+        if '小强:10本' in data:
+            data=data.replace('小强:10本','小强:11本')
+        new_data +=data
\ No newline at end of file