diff --git a/src/BTree.py b/src/BTree.py
new file mode 100644
index 0000000000000000000000000000000000000000..6a904aba2c2159096e6fa4cef1227446b25ad88d
--- /dev/null
+++ b/src/BTree.py
@@ -0,0 +1,15 @@
+class Btree() :
+    
+    def __init__(self,size,string) :
+        self.size=size
+        self.string=string
+        
+    
+    
+    #def search() :
+    #def insertion():
+    #def delete() :
+    #def linear() :
+    #def createTree() :
+    #def height() :
+    #def isArbre() :
\ No newline at end of file
diff --git a/src/node.py b/src/node.py
new file mode 100644
index 0000000000000000000000000000000000000000..dd2367cc6f5a1e6567039371b481de1288a0337a
--- /dev/null
+++ b/src/node.py
@@ -0,0 +1,12 @@
+class node() :
+    
+    def __init__(self,size,keys,child,leaf) :
+        self.size=size
+        self.keys=keys
+        self.child=child
+        self.leaf=leaf
+    
+    #def getSize() :
+    #def getPos() :
+    #def setNew() :
+    #def 
\ No newline at end of file