Generation of InfluxDB timestamp in python language

#!/usr/bin/env python
import time
import datetime
import math

if __name__ == '__main__':
        print "Timestamp en secondes UTC depuis le 01/01/1970 0h00 UTC"
        hs = time.time()
        print hs
        print

        print "Verification en convertissant dans un format lisible"
        gm = time.gmtime(hs)
        print gm
        print

        print "Pesee du 09/04/2020 (19h 00m 50s)"
        sec = (datetime.datetime(2020, 4, 9, 17,00,50) - datetime.datetime(1970, 1, 1,0,0,0)).total_seconds()
        print sec
        print

        print "Timestamp InfluxDB correspondant, en string"
        tsinfluxdb = sec * 1000000000
        Stsinfluxdb = str((math.trunc(tsinfluxdb)))
        print(Stsinfluxdb)