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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 to_unicode(data, encoding='UTF-8'):
 """Convert a number of different types of objects to unicode."""

    if isinstance(data, unicode_type):
        return data

    if isinstance(data, bytes):
        return unicode_type(data, encoding=encoding)

    if hasattr(data, '__iter__'):
        try:
            dict(data)
        except TypeError:
            pass
        except ValueError:
            # Assume it's a one dimensional data structure
            return (to_unicode(i, encoding) for i in data)
        else:
            # We support 2.6 which lacks dict comprehensions
            if hasattr(data, 'items'):
                data = data.items()
            return dict(((to_unicode(k, encoding), to_unicode(v, encoding)) for k, v in data))

    return data