Python Zabbix Auto Delete Host

import sys
from pyzabbix.api import ZabbixAPI

zapi = ZabbixAPI(url='http://localhost/zabbix/', user='ZABBIXUSERNAME', password='ZABBIXPASSWORD')

TechHostName = str(sys.argv[1])

def GetHostInformationZabbix(HostName):
    hostInformation = zapi.do_request('host.get',
                              {
                                "output":"extend",
                                  "filter":{
                                            "host":[HostName]
                                }
                              })

    HostID = hostInformation['result'][0]['hostid']

    return HostID,

def DeleteHost(HostID):
    DeleteInterface = zapi.do_request('host.delete',   # Deletes Host
                                          [HostID]
                                          )

def Main(HostName):

    HostInfo= GetHostInformationZabbix(HostName) #passes back (hostid, Listofinterfaces) associated with that HOSTNAME in zabbix
    HostID = HostInformation[0]

    DeleteHost(HostID)


Main(TechHostName)