import os
import subprocess 

Drive  = "C:" #provide the drive which you want to suspend the bitlocker
command = 'Suspend-BitLocker -MountPoint '+'"'+Drive+'"'+' -RebootCount 0'
cmd = subprocess.Popen(["powershell",command] ,shell=True,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
res,err = cmd.communicate()
if err:
    print(err)
else:
	print("Bitlocker Suspended for "+Drive)