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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 decode_embedded_strs(src):
    '''
    Convert enbedded bytes to strings if possible.
    This is necessary because Python 3 makes a distinction
    between these types.

    This wouldn't be needed if we used "use_bin_type=True" when encoding
    and "encoding='utf-8'" when decoding. Unfortunately, this would break
    backwards compatibility due to a change in wire protocol, so this less
    than ideal solution is used instead.
    '''
    if not six.PY3:
        return src

    if isinstance(src, dict):
        return _decode_embedded_dict(src)
    elif isinstance(src, list):
        return _decode_embedded_list(src)
    elif isinstance(src, bytes):
        try:
            return src.decode()  # pylint: disable=redefined-variable-type
        except UnicodeError:
            return src
    else:
        return src