diff --git a/order.py b/order.py
new file mode 100644
index 0000000..739a391
--- /dev/null
+++ b/order.py
@@ -0,0 +1,10 @@
+class OrderManager:
+    _order_size = 0
+    
+    def __init__(self):
+        self._order_size = 0
+            
+    def next_order(self):
+        self._order_size += 1
+        return self._order_size
+    
\ No newline at end of file