The character color of terminal is controlled by escape sequence, and it is the system display function in text mode, which is independent of the specific language.
The escape sequence starts with the ESC and can do the same with \033 (the ASCII code for ESC is in decimal notation is 27, = 33 in octal).
\033[display mode; foreground color; background colour m
Display mode: 0 (default), 1 (highlight), 22 (not bold), 4 (underscore), 24 (non-underlined), 5 (blinking), 25 (non-flashing), 7 (inverted), 27 (non-inverting)
Foreground color: 30 (Black), 31 (red), 32 (green), 33 (yellow), 34 (blue), 35 (magenta), 36 (cyan), 37 (white)
Background color: 40 (Black), 41 (red), 42 (green), 43 (yellow), 44 (blue), 45 (magenta), 46 (cyan), 47 (white)
\033[0m Default
\033[1;32;40m Green
033[1;31;40m Red
Print "\033[1;31;40m%s\033[0m"% "Output red character"
"Go" python outputs color characters at the terminal