diff --git a/README.md b/README.md
index a337226..28e66a2 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+[![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/aprabaka/htn-challenge-2019/master)
+
 # ApplyBoard Hack the North Lightning Challenge  🎓
 
 <p align="center">
diff --git a/python_solution.py b/python_solution.py
index 2c14cc2..996162f 100644
--- a/python_solution.py
+++ b/python_solution.py
@@ -5,8 +5,20 @@ def refine_parameters(data: dict):
     Returns:
         Return a dictionary of cleaned input
     '''
-    clean_dict = {}
+    clean_dict = dict
 
-    # Write your code here.
+    for x in dict:
+        if str(int(dict[x])) == dict[x]:
+            clean_dict[x] = int(dict[x])
+        elif dict[x] == "True":
+            clean_dict[x] = True
+        elif dict[x] == "False":
+            clean_dict[x] = False
+        elif isinstance(dict[x], list):
+            refine_parameters(dict[x])
+        elif isinstance(dict[x], dict):
+            refine_parameters(dict[x])
+        else:
+            clean_dict[x] = dict[x]
 
     return clean_dict