diff --git a/README.md b/README.md
index 465210f..6c0c9b4 100644
--- a/README.md
+++ b/README.md
@@ -61,4 +61,10 @@ Install via pip
     >>> print(common_sub("Python is named after Monty Python", "What is Python Used For ?", sequence="shortest"))
     is
     >>> print(common_sub("Python is named after Monty Python", "What is Python Used For ?", sequence="longest"))
-    Python
\ No newline at end of file
+    Python
+    >>> print(is_iterable(["foo", "bar"]))
+    True
+    >>> print(is_iterable(1234))
+    False
+    >>> substr("asdfg", 1, 2)
+    "sdf"
\ No newline at end of file