Going from (a_1, a_2, ..., a_n) to (f(a_1), f(a_2), ..., f(a_n))
<p>Support given a list <code>(a_1, a_2, ..., a_n)</code> and a function <code>f</code>.</p>

<p>What is the pythonic way of producing <code>(f(a_1), f(a_2), ..., f(a_n))</code>?</p>
