diff --git a/Data hiding b/Data hiding
new file mode 100644
index 0000000..11529dd
--- /dev/null
+++ b/Data hiding	
@@ -0,0 +1,32 @@
+class Queue:
+  def __init__(self, contents):
+    self._hiddenlist = list(contents)
+
+  def push(self, value):
+    self._hiddenlist.insert(0, value)
+   
+  def pop(self):
+    return self._hiddenlist.pop(-1)
+
+  def __repr__(self):
+    return "Queue({})".format(self._hiddenlist)
+
+queue = Queue([1, 2, 3])
+print(queue)
+queue.push(0)
+print(queue)
+queue.pop()
+print(queue)
+print(queue._hiddenlist)
+
+
+
+
+#output
+
+>>>
+Queue([1, 2, 3])
+Queue([0, 1, 2, 3])
+Queue([0, 1, 2])
+[0, 1, 2]
+>>>