45. Write a code to generate a alphabet pyramid pattern.

Write a code to generate a alphabet pyramid pattern.

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

Where 1<=R<=13.

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

Sample Input :
5
Sample Output :
    A
   CCC
  EEEEE
 GGGGGGG
IIIIIIIII




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