โค้ดแสดงตัวเลข 1-9 เป็นรูปสามเหลี่ยม ด้วยภาษาไพทอน (Python)

# -------------------------------------------------------#
# Author    : Computer for Education                     #
# Author URI: https://www.computerforedu.com             #
# Facebook  : https://www.facebook.com/computerforedu    #
# -------------------------------------------------------#

max_num = 9
i = 0
while i < max_num:
    i += 1
    space = max_num - i
    for s in range(space):
        print(" ", end='')

    for n in range(1, (max_num - space) + 1):
        print(n, end='')

    for n in reversed(range(1, i)):
        print(n, end='')

    print("")