import sys
import readline
import sys
import readline
"PLC_NAME",
"PLC_SHORTNAME",
"PLC_SLICE_PREFIX",
"PLC_NAME",
"PLC_SHORTNAME",
"PLC_SLICE_PREFIX",
"PLC_ROOT_USER",
"PLC_ROOT_PASSWORD",
"PLC_MAIL_ENABLED",
"PLC_ROOT_USER",
"PLC_ROOT_PASSWORD",
"PLC_MAIL_ENABLED",