Just putting this here

utils.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from distutils.util import strtobool
+
+def ask(question, default=True):
+    prompt = question
+    if default == None:
+        prompt += ' [y/n] '
+    elif default:
+        prompt += ' [Y/n] '
+    else:
+        prompt += ' [y/N] '
+    while True:
+        try:
+            ans = input(prompt).strip()
+            if ans == '' and default != None:
+                return default
+            return bool(strtobool(ans))
+        except ValueError:
+            print('Please respond with \'y\' or \'n\'.\n')
+