diff --git a/world.py b/world.py
index 8946863..5ca6eb9 100644
--- a/world.py
+++ b/world.py
@@ -1,5 +1,7 @@
 # world.py file
 
+import sleep
+
 def hello_world():
     print("hello world")
 
@@ -8,4 +10,5 @@ def bye_world():
 
 if __name__ == "__main__":
     hello_world()
+    sleep(2)
     bye_world()