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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 _localized_name(val, klass):
 """If no language is defined 'en' is the default"""

    try:
        (text, lang) = val
        return klass(text=text, lang=lang)
    except ValueError:
        return klass(text=val, lang="en")