Some array exercies
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(1) Create an associative array of some EU countries and display those countries in a drop down list using a foreach loop.  So uk is United Kingdom, fr is France and so on.

(2) Create an assoicative array of some html colour names with the name and its equivalent hexidecimal value and display them as a set of radio buttons using a foreach loop.  e.g. $colours = {'red' => '#ff0000', 'green' => '#00ff00'};