diff --git a/source/week-2/collections/common-operations.py b/source/week-2/collections/common-operations.py
index f5e4c9a..2d4aa6d 100644
--- a/source/week-2/collections/common-operations.py
+++ b/source/week-2/collections/common-operations.py
@@ -1,3 +1,18 @@
+# importing array
+from array import array
+
+# decalare and assign arrays 
+scores = array('d')
+
+# adding items to an array
+scores.append(97)
+scores.append(98)
+print(scores)
+names = ['Christopher', 'Susan']
+print(len(names)) # Get the number of items
+names.insert(0, 'Bill') # Insert before index
+print(names)
+
 names = ['Christopher', 'Susan']
 print(len(names)) # Get the number of items
 names.insert(0, 'Bill') # Insert before index