31. WAP to display following pattern

 

CODE:

n=int(input("How many rows\n"))
for i in range(n,0,-1):
    for j in range(i,0,-1):

        print(j,end=" ")
    print()

OUTPUT:
How many rows
5
5 4 3 2 1 
4 3 2 1 
3 2 1 
2 1 
1