Python - Pattern alphabet: A A B A B C A B C D A B C D E

Q. Write a Program in Python, Python - Pattern alphabet: A A B A B C A B C D A B C D E. 1

Ans: Write a Program in Python, Python - Pattern alphabet: A A B A B C A B C D A B C D E.

n=int(input("Enter line number:"))
for i in range(n): #row
    a=65
    for j in range(i+1): #col
        print(chr(a), end="")
        a=a+1
    print()

Enter line number: 5
A
A B
A B C
A B C D
A B C D E