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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def short_timesince(date):
 """ A shorter version of Django's built-in timesince filter. Selects only the first part of the returned string, splitting on the comma. Falls back on default Django timesince if it fails. Example: 3 days, 20 hours becomes "3 days". """

    try:
        t = timesince(date).split(", ")[0]
    except IndexError:
        t = timesince(date)
    return t