40.WAP to display following pattern

 A 

B C 

D E F 

G H I J 

K L M N O 

P Q R S T U 

CODE:

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

        print(chr(ord(x)+y),end=" ")
        y=y+1
    print()

OUTPUT:

How many rows

5

A 

B C 

D E F 

G H I J 

K L M N O