Question

\begin{array}l\color{#FF0000}{\text{How}}\text{ }\color{#FF7F00}{\text{do}}\text{ }\color{#FFE600}{\text{I}}\text{ }\color{#00FF00}{\text{build}}\text{ }\color{#0000FF}{\text{GUIs}}\text{ }\color{#6600FF}{\text{in}}\text{ }\color{#8B00FF}{\text{Python?}}\end{array}