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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 reverse(viewname, args=None, kwargs=None, request=None, format=None, **extra):
 """ If versioning is being used then we pass any `reverse` calls through to the versioning scheme instance, so that the resulting URL can be modified if needed. """

    scheme = getattr(request, 'versioning_scheme', None)
    if scheme is not None:
        try:
            url = scheme.reverse(viewname, args, kwargs, request, format, **extra)
        except NoReverseMatch:
            # In case the versioning scheme reversal fails, fallback to the
            # default implementation
            url = _reverse(viewname, args, kwargs, request, format, **extra)
    else:
        url = _reverse(viewname, args, kwargs, request, format, **extra)

    return preserve_builtin_query_params(url, request)