Added show_tracks example

examples/show_tracks.py

@@ -0,0 +1,24 @@
+'''
+    usage: show_tracks.py path_of_ids
+
+    given a list of track IDs show the artist and track name
+'''
+import sys
+import spotipy
+
+if __name__ == '__main__':
+    max_tracks_per_call = 50
+    if len(sys.argv) > 1:
+        file = open(sys.argv[1])
+    else:
+        file = sys.stdin
+    tids = file.read().split()
+
+    sp = spotipy.Spotify()
+    for start in xrange(0, len(tids), max_tracks_per_call):
+        results = sp.tracks(tids[start: start + max_tracks_per_call])
+        for track in results['tracks']:
+            print track['name'] + ' - ' + track['artists'][0]['name']
+
+
+