diff --git a/python-classes/100-singly_linked_list.py b/python-classes/100-singly_linked_list.py
index 0c9a6f9..6b6030b 100755
--- a/python-classes/100-singly_linked_list.py
+++ b/python-classes/100-singly_linked_list.py
@@ -12,8 +12,8 @@ def __init__(self, data, next_node=None):
             data (int): The data of the new Node.
             next_node (Node): The next node of the new Node.
         """
-        self.__data = data
-        self.__next_node = next_node
+        self.data = data
+        self.next_node = next_node
 
     @property
     def data(self):