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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_auth_from_url(url):
 """Given a url with authentication components, extract them into a tuple of username,password. :rtype: (str,str) """

    parsed = urlparse(url)

    try:
        auth = (unquote(parsed.username), unquote(parsed.password))
    except (AttributeError, TypeError):
        auth = ('', '')

    return auth