diamond.py - master - rnekrasov/Python

def draw_diamond(n):
    if n % 2 != 0:
        k = 1
        while k <= n:
            print(" " * int((n - k) / 2) + "*" * k + " " * int((n - k) / 2))
            k += 2

        j = 1
        while (n - 2 * j) >= 1:
            print(" " * j + "*" * (n - 2 * j) + " " * (j))
            j += 1
    else:
        print("Not an odd number. Can't draw a diamond :(")


n = int(input("Enter an odd number: "))
draw_diamond(n)