You can try these yourself and see how they works. The m in [31m is because we are toggling graphics mode 31 (red foreground). For example, [2J is the code to clear the screen and [3D will move the cursor back 3 characters. All escape codes start with a an open bracket [ but not all of them end with an m. The [31m part of \033[31m means "red foreground mode".
We typically pass color codes right after the escape character to change the color text being output, but there are also special characters to clear the screen or move the cursor. The \033 just designated that the values coming directly after it are special characters meant to be interpeted by the terminal. You may have seen these codes if you have ever tried to customize your PS1 prompt shell in bash. In the bash shell, you might see the escape character represented by \e in codes that look like \e[31m. Sometimes it is represented as \x1b which is the hexadecimal equivalent for 27. The 033 is the octal value of the escape character code, 27. The \033 is how the escape character is represented in Python, which is then followed by a special code. # In Python, print red text using ANSI escape codes Here are some simple examples to show how the escape characters can be used with the print() function in Python. This will work on ANSI consoles like Linux shells, but not in Windows.
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Don't worry though, we'll cover how to get them working in Windows below!. The big catch here is that these ANSI escape characters don't work in Windows. This is quite tedious and ugly, but possible. You can manually colorizing output by using escape characters.
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It is not full curses support but some colors and cursor control abilities work. Read more at MSDN Console Virtual Terminal Sequences. In Windows 10, some color escape codes are supported without any special configuration. Consider adding an option with your program to toggle color output on or off, otherwise people who have no color will see all the escape characters and the output will be ugly and hard to read.
If you write an application that supports color, keep in mind that not every terminal supports the color characters. We'll cover the basics of escape characters, using them to clear the screen and set foreground and background colors, and how to get them working in Windows using the colorama package. This tutorial covers how to use standard ANSI escape codes to colorize and style terminal output.
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