<human>:  download a file over HTTP
<bot>: Here is some code to download a file "http://www.example.com/songs/mp3.mp3" over HTTP and save to "mp3.mp3"

urllib.request.urlretrieve('http://www.example.com/songs/mp3.mp3', 'mp3.mp3')

#Warning: this code generation is experimental. Please inspect the code for any bugs before executing.