You need to write a program which will count down from 10 to 0 and display blast off!

Enter the code below and then make the following changes –

• Set the start to be 10.
• Set the end condition to be greater than or equal to 0
• Change x by -1 each loop.

import time
x = ????
while x ????? :
   print (x)
   time.sleep(1)
   x = ??????
print ("blast off")