def py_list_to_tcl_list(py_list):
    """ Convert Python list to Tcl list using Tcl interpreter.

    :param py_list: Python list.
    :type py_list: list
    :return: string representing the Tcl string equivalent to the Python list.
    """

    py_list_str = [str(s) for s in py_list]
    return tcl_str(tcl_interp_g.eval('split' + tcl_str('\t'.join(py_list_str)) + '\\t'))