[Python] Generating Silence with pyDub

I've found pyDub, and it seems like just what I need:

http://pydub.com/

The only issue is with generating silence. Can pyDub do this?

Essentially the workflow I want is:

1. Take all the WAV files in a directory
2. Piece them together in filename order with 1 sec of silence in between
3. Generate a single MP3 of the result

Is this possible? I realize I could create a WAV of silence and do it that way (spacer GIF flashback, anyone?), but I'd prefer to generate the silence programmatically, because I may want to experiment with the duration of silence and/or the bitrate of the MP3.

I greatly appreciate any responses.

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