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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 list_to_bytes_list(strList):
 """ This function turns an array of strings into a pointer array with pointers pointing to the encodings of those strings Possibly contained bytes are kept as they are. :param strList: List of strings that shall be converted :type strList: List of strings :returns: Pointer array with pointers pointing to bytes :raises: TypeError if strList is not list, set or tuple """

    pList = c_char_p * len(strList)

    # if strList is already a pointerarray or None, there is nothing to do
    if isinstance(strList, (pList, type(None))):
        return strList

    if not isinstance(strList, (list, set, tuple)):
        raise TypeError("strList must be list, set or tuple, not " +
                str(type(strList)))

    pList = pList()
    for i, elem in enumerate(strList):
        pList[i] = str_to_bytes(elem)
    return pList