<!doctype html><html><head><meta http-equiv='content-type' content='text/html;charset=utf-8'/></head><body style='background-color:white;color:black'><pre>import math

def f_to_c(f: float) -&gt; float:
    &quot;&quot;&quot;Convert Fahrenheit to Celsius.&quot;&quot;&quot;
    <span style='background-color:#b6ffb6'>x</span> = <span style='background-color:#7fff7f'>f</span><span style='background-color:#b6ffb6'> - </span><span style='background-color:#7fff7f'>32.0</span>
    return <span style='background-col