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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 get_scoreboard(year, month, day):
 """Return the game file for a certain day matching certain criteria."""

    try:
        data = urlopen(BASE_URL.format(year, month, day) + 'scoreboard.xml')
    except HTTPError:
        data = os.path.join(PWD, 'default.xml')
    return data