Not Equal: Every domino half in this space must have a completely different number of pips.
对创意决策进行事后揣测，是一件危险的事。要从创作中的失误中学习，但不要反复追问「为什么当初要这么做」。更好的问题是：「怎样可以做得更好？」
，这一点在新收录的资料中也有详细论述
Let’s print this out with a user-friendly message. The ++ operator concatenates strings and arrays. The str built-in turns things into strings.，更多细节参见新收录的资料
“Hello world”, running in DOSBox debug. Gameplay and graphics are somewhat inferior to the titles I analyzed in the past.。新收录的资料是该领域的重要参考