diff --git a/world.py b/world.py
index 8946863..6b2b881 100644
--- a/world.py
+++ b/world.py
@@ -1,9 +1,11 @@
 # world.py file
+import time
 
 def hello_world():
     print("hello world")
 
 def bye_world():
+    time.sleep(2)
     print("bye world")
 
 if __name__ == "__main__":