diff --git a/spl3.py b/src/codes/spl3.py
similarity index 99%
rename from spl3.py
rename to src/codes/spl3.py
index dc0bbbc..f596233 100644
--- a/spl3.py
+++ b/src/codes/spl3.py
@@ -224,4 +224,4 @@ def spl3Plot( x , y , c='k' , ln=1 , ao='on' ):
     return
 
 
-#%%
\ No newline at end of file
+#%%