Driver Code
if __name__ == ' _ _ main _ _ ' : NEW_LINE INDENT n = 3 NEW_LINE print ( n , " rd ▁ centered ▁ octadecagonal ▁ " + " number ▁ : ▁ " , center_octadecagon_num ( n ) ) NEW_LINE n = 13 NEW_LINE print ( n , " th ▁ centered ▁ octadecagonal ▁ " + " number ▁ : ▁ " , center_octadecagon_num ( n ) ) NEW_LINE DEDENT