diff --git a/1.27/list_intersection.py b/1.27/list_intersection.py
new file mode 100644
index 0000000..594cc3e
--- /dev/null
+++ b/1.27/list_intersection.py
@@ -0,0 +1,19 @@
+"""
+Exercise 1.27  - Intersection
+"""
+
+
+#  Copyright (c) 2021. Pascal Syma. All rights reserved.
+
+def list_intersection(list1, list2):
+    """
+    Return the intersection between two lists.
+    :param list1: First list
+    :param list2: Second list
+    :return: Intersection
+    """
+    return [i for i in list1 if i in list2]
+
+
+if __name__ == '__main__':
+    print(f'{list_intersection([1,3,6,78,35,55], [12,24,35,24,88,120,155]) = }')