Prevent needing to scroll on jwt.decode example

Author: vimalloc

docs/index.rst

@@ -22,10 +22,11 @@ Example Usage
 
     >>> import jwt
 
-    >>> jwt.encode({'some': 'payload'}, 'secret', algorithm='HS256')
+    >>> encoded_jwt = jwt.encode({'some': 'payload'}, 'secret', algorithm='HS256')
+    >>> encoded_jwt
     'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzb21lIjoicGF5bG9hZCJ9.4twFt5NiznN84AWoo1d7KO1T_yoc0Z6XOpOVswacPZg'
 
-    >>> jwt.decode('eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzb21lIjoicGF5bG9hZCJ9.4twFt5NiznN84AWoo1d7KO1T_yoc0Z6XOpOVswacPZg', 'secret', algorithms=['HS256'])
+    >>> jwt.decode(encoded_jwt, 'secret', algorithms=['HS256'])
     {'some': 'payload'}
 
 See :doc:`Usage Examples <usage>` for more examples.