# b_ASCII_Art.py

# ASCII_Art.py

num = int(input('Enter Radius (5 to 25 for best results): '))
a,b,c = num,0,-1
while c < 2:
    for i in range(a,b,c):
        print '  '*i,
        print ' *'*((num-i)*2-1)
    a,b,c = b,a,c+2
#