def METHOD_NAME():
    """Utility function to generate a bash command for all ANSI color-codes in 24-bit format using both foreground and background colors."""
    str = r"""
        for r in {0..255}; do
            for g in {0..255}; do
                for b in {0..255}; do
                    echo -e "\e[38;2;${r};${g};${b}m"'\\e[38;2;'"${r}"m" FOREGROUND\e[0m"
                    echo -e "\e[48;2;${r};${g};${b}m"'\\e[48;2;'"${r}"m" FOREGROUND\e[0m"
                done
            done
        done"""
    return str