28.WAP to display following pattern

 
CODE:

n=int(input("How many rows\n"))
for i in range(1,n+1):
    for j in range(i+1,1,-1):
        print(j%2,end=" ")
    print()

OUTPUT:

How many rows
5
1 
0 1 
1 0 1 
0 1 0 1 
1 0 1 0 1