Class 11 CS Practical - 18

 

18 - Write a program in Python to generate the following pattern using nested loops:

     1

   234

  56789

 10111213141516

p=1

a=5

k=2

n=3

for i in range(1,5):

    for s in range(1,a):

        print(end=' ')

    for j in range(p,k):

        print(j,end='')

    print()

    a=a-1

    p=j+1

    k=k+n

    n=n+2

   

Output:

     1

   234

  56789

 10111213141516