In [1]:

    

def countDown(n):
    if n == 0:
        print ("Blast off")
    else:
        print(n)
        countDown(n-1)


    

In [2]:

    

countDown(10)


    

    




10
9
8
7
6
5
4
3
2
1
Blast off

In [3]:

    

def countUp(n):
    if n == 0:
        print("Get Ready")
    else:
        countUp(n-1)
        print(n)


    

In [4]:

    

countUp(10)


    

    




Get Ready
1
2
3
4
5
6
7
8
9
10

In [ ]: