def fg(color):
    return _FOREGROUND_COLOR + str(int(color))
:returns: handle to the figure
dataset/ETHPy150Open pybuilder/pybuilder/src/main/python/pybuilder/terminal.py/fg--crossover with--dataset/ETHPy150Open rlpy/rlpy/rlpy/Domains/CartPoleBase.py/CartPoleBase._plot_valfun