39.WAp to display following pattern

 A 

A B 

A B C 

A B C D 

CODE:

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

print(chr(ord(x)+j),end=" ")
print()

OUTPUT:

How many rows

4

A B 

A B C 

A B C D 


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