diff --git a/notebook/generators/hands_on/recognize_smell.py b/notebook/generators/hands_on/recognize_smell.py
new file mode 100644
index 0000000..344f3f0
--- /dev/null
+++ b/notebook/generators/hands_on/recognize_smell.py
@@ -0,0 +1,16 @@
+def generator_useful(n,divider):
+    """Wonderful comments"""
+
+    for i in range(n):
+        if i % divider == 0:
+            continue
+        yield i
+
+for i in generator_useful(9,3):
+    print('Square is', i ** 2)
+
+for i in generator_useful(5,2):
+    print('Cube is', i ** 3)
+
+for i in generator_useful(13,5):
+    print('A' * i)