diff --git a/notebook/context manager/hands_on/1_microscope_script.py b/notebook/context manager/hands_on/1_microscope_script.py
index 78e59f1..4ffa317 100644
--- a/notebook/context manager/hands_on/1_microscope_script.py	
+++ b/notebook/context manager/hands_on/1_microscope_script.py	
@@ -24,15 +24,30 @@ def do_stuff_under_vacuum(microscope_state):
     finally:
         deactivate_vacuum_pump(microscope_state)
 
+@contextmanager
+def sample_inserted(microscope_state):    
+    """ inserts a sample in the microscope before executing a 
+    block of code, and safely removes it at the end of the block."""    
+    insert_sample(microscope_state)
+    try:
+        yield 
+    finally: 
+        remove_sample(microscope_state)
 
-# Write here the `sample_inserted` context manager that inserts a sample
-# in the microscope before executing a block of code, and safely removes 
-# it at the end of the block.
 
 
-# Rewrite this script using the two context managers.
 microscope_state = connect_to_microscope()
+with do_stuff_under_vacuum(microscope_state): 
+    with sample_inserted(microscope_state):
+            sample_image = scan_sample(microscope_state)
+release_microscope(microscope_state)
+
 
+
+
+
+# Rewrite this script using the two context managers.
+microscope_state = connect_to_microscope()
 activate_vacuum_pump(microscope_state)
 try:
     insert_sample(microscope_state)
@@ -44,3 +59,4 @@ def do_stuff_under_vacuum(microscope_state):
     deactivate_vacuum_pump(microscope_state)
 
 release_microscope(microscope_state)
+