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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 percentage(value, decimal_places=1, multiply=True, failure_string='N/A'):
 """ Converts a floating point value into a percentage value. Number of decimal places set by the `decimal_places` kwarg. Default is one. By default the number is multiplied by 100. You can prevent it from doing that by setting the `multiply` keyword argument to False. If the submitted value isn't a string, returns the `failure_string` keyword argument. """

    try:
        value = float(value)
    except ValueError:
        return failure_string
    if multiply:
        value = value * 100
    return _saferound(value, decimal_places) + '%'