diff --git a/testcode/__init__.py b/testcode/__init__.py
index 8e0922e..d2fa00b 100644
--- a/testcode/__init__.py
+++ b/testcode/__init__.py
@@ -22,3 +22,17 @@ def for_iter(arg):
 
 def calling_custom_clojure_fn(arg):
     return arg.clojure_fn()
+
+
+
+def complex_fn(a, b, c: str=5, *args, d=10, **kwargs):
+    return {"a" : a,
+            "b" : b,
+            "c" : c,
+            "args" : args,            
+            "d": d,
+            "kwargs": kwargs}
+
+
+complex_fn_testcases = {"complex_fn(1, 2, c=10, d=10, e=10)":complex_fn(1, 2, c=10, d=10, e=10),
+                        "complex_fn(1, 2, 10, 11, 12, d=10, e=10)":complex_fn(1, 2, 10, 11, 12, d=10, e=10)}