diff --git a/index.ipynb b/index.ipynb
index 983985b..77cbd8a 100644
--- a/index.ipynb
+++ b/index.ipynb
@@ -10,3 +10,5 @@ print(TC)
 print(type(TC))
 print("Temprature in degrees Fahrenheit")
 print(TC*9/5+32)
+a=[10,20]
+print(a)