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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 unicode_safe(text, encoding=UrlEncoding, errors='ignore'):
 """Decode text to Unicode if not already done."""

    try:
        text_type = unicode
    except NameError:
        text_type = str
    if isinstance(text, text_type):
        return text
    return text.decode(encoding, errors)