Programming in Python

 

num=int(input("Enter number of rows "))

for i in range(1,num+1):

    

    for j in range(1,num+1-i):

        print(' ', end='')

    

    for j in range(1,i+1):

        print(j, end='')

    

    for j in range(i-1,0,-1):

        print(j, end='')

  

    print()