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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 title(value, failure_string='N/A'):
 """ Converts a string into titlecase. Lifted from Django. """

    try:
        value = value.lower()
        t = re.sub("([a-z])'([A-Z])", lambda m: m.group(0).lower(), value.title())
        result = re.sub("\d([A-Z])", lambda m: m.group(0).lower(), t)
        if not result:
            return failure_string
        return result
    except:
        return failure_string