 the workout
plans based on the inputs and calls to the `simulated_expensive_calculation`
function</span>
-->
<p><span class="caption">リスト13-3: 入力に基づいてトレーニングプランを出力するビジネスロジックと、
<code>simulated_expensive_calculation</code>関数の呼び出し</span></p>
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The code in Listing 13-3 has multiple calls to the slow calculation function.
The first `if` block calls `simulated_expensive_calculation` twice, the `if`
inside the outer `else` doesn�