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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 codes_get_string_length(handle, key):
 # type: (cffi.FFI.CData, str) -> int """ Get the length of the string representation of the key. If several keys of the same name are present, the maximum length is returned. :param bytes key: the keyword to get the string representation size of. :rtype: int """

    size = ffi.new('size_t *')
    _codes_get_length(handle, key.encode(ENC), size)
    return size[0]