48. Write a code to generate a aplhabet pyramid pattern.

Write a code to generate a aplhabet pyramid pattern.

Input Description:
Given an integer R indicates number of rows.

Where 1<=R<=26.

Output Description:
Print the alphabet pyramid pattern according to the given integer R.

Sample Input :
5
Sample Output :
    A
   BBB
  CCCCC
 DDDDDDD
EEEEEEEEE


def pattern(n):
    c = 65
    for i in range(n):
        for j in range(n-i-1):
            print(' ', end = "")
        for j in range((2*i)+1):
            print(chr(c+i), end = "")
        print()
n = int(input())
pattern(n)