better audio example

examples/audio_features.py

@@ -24,5 +24,10 @@ if len(sys.argv) > 1:
     start = time.time()
     features = sp.audio_features(tids)
     delta = time.time() - start
-    print(json.dumps(features, indent=4))
+    for feature in features:
+        print(json.dumps(feature, indent=4))
+        print()
+        analysis = sp._get(feature['analysis_url'])
+        print(json.dumps(analysis, indent=4))
+        print()
     print ("features retrieved in %.2f seconds" % (delta,))