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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_unicode(data, force=False):
 """Try to return a text aka unicode object from the given data."""

    if isinstance(data, binary_type):
        return data.decode('utf-8')
    elif data is None:
        return ''
    elif force:
        if PY2:
            return unicode(data)
        else:
            return str(data)
    else:
        return data