25.WAP to display following pattern

CODE:

n=int(input("How many rows\n"))
for i in range(1,n+1):
    for j in range(1,i+1):
        print(j,end=" ")
    print()

OUTPUT:

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