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Print Colors in Python terminal
  • Difficulty Level : Hard
  • Last Updated : 22 Oct, 2020

There are several methods to output colored text to the terminal, in Python.The most common ways to do are:

Using built-in modules

  1. ‘colorama’ module : Cross-platform printing of colored text can then be done using Colorama’s constant shorthand for ANSI escape sequences:
    Example 1:




    # Python program to print
    # red text with green background
      
    from colorama import Fore, Back, Style
    print(Fore.RED + 'some red text')
    print(Back.GREEN + 'and with a green background')
    print(Style.DIM + 'and in dim text')
    print(Style.RESET_ALL)
    print('back to normal now')

    
    

    Output:

    Example 2:






    # Python program to print
    # green text with red background
      
    from colorama import init
    from termcolor import colored
      
    init()
      
    print(colored('Hello, World!', 'green', 'on_red'))

    
    

    Output:

  2. ‘termcolor’ module : termcolor is a python module for ANSII Color formatting for output in terminal.




    # Python program to print
    # colored text and background
    import sys
    from termcolor import colored, cprint
      
    text = colored('Hello, World!', 'red', attrs=['reverse', 'blink'])
    print(text)
    cprint('Hello, World!', 'green', 'on_red')
      
    print_red_on_cyan = lambda x: cprint(x, 'red', 'on_cyan')
    print_red_on_cyan('Hello, World!')
    print_red_on_cyan('Hello, Universe!')
      
    for i in range(10):
        cprint(i, 'magenta', end=' ')
      
    cprint("Attention!", 'red', attrs=['bold'], file=sys.stderr)

    
    

    Output:

Using ANSI Escape Codes

The most common way to print colored text is by printing ANSI escape sequences directly. This can be delivered in different formats such as:

  1. Build Functions to call : We can build functions to call particular color named functions to execute the relevant ANSI Escape Sequence.




    # Python program to print
    # colored text and background
    def prRed(skk): print("\033[91m {}\033[00m" .format(skk))
    def prGreen(skk): print("\033[92m {}\033[00m" .format(skk))
    def prYellow(skk): print("\033[93m {}\033[00m" .format(skk))
    def prLightPurple(skk): print("\033[94m {}\033[00m" .format(skk))
    def prPurple(skk): print("\033[95m {}\033[00m" .format(skk))
    def prCyan(skk): print("\033[96m {}\033[00m" .format(skk))
    def prLightGray(skk): print("\033[97m {}\033[00m" .format(skk))
    def prBlack(skk): print("\033[98m {}\033[00m" .format(skk))
      
    prCyan("Hello World, ")
    prYellow("It's")
    prGreen("Geeks")
    prRed("For")
    prGreen("Geeks")

    
    

    Output:

  2. Build a class of colors : Create a class to allot background and foreground colors and call them.




    # Python program to print
    # colored text and background
    class colors:
    '''Colors class:reset all colors with colors.reset; two 
    sub classes fg for foreground 
    and bg for background; use as colors.subclass.colorname.
    i.e. colors.fg.red or colors.bg.greenalso, the generic bold, disable, 
    underline, reverse, strike through,
    and invisible work with the main class i.e. colors.bold'''
        reset='\033[0m'
        bold='\033[01m'
        disable='\033[02m'
        underline='\033[04m'
        reverse='\033[07m'
        strikethrough='\033[09m'
        invisible='\033[08m'
        class fg:
            black='\033[30m'
            red='\033[31m'
            green='\033[32m'
            orange='\033[33m'
            blue='\033[34m'
            purple='\033[35m'
            cyan='\033[36m'
            lightgrey='\033[37m'
            darkgrey='\033[90m'
            lightred='\033[91m'
            lightgreen='\033[92m'
            yellow='\033[93m'
            lightblue='\033[94m'
            pink='\033[95m'
            lightcyan='\033[96m'
        class bg:
            black='\033[40m'
            red='\033[41m'
            green='\033[42m'
            orange='\033[43m'
            blue='\033[44m'
            purple='\033[45m'
            cyan='\033[46m'
            lightgrey='\033[47m'
      
    print(colors.bg.green, "SKk", colors.fg.red, "Amartya")
    print(colors.bg.lightgrey, "SKk", colors.fg.red, "Amartya")

    
    

    Output:

  3. Iterating functions : We can design iterating & self generating ANSI Escape sequence, functions.




    # Python program to print
    # colored text and background
    def print_format_table():
        """
        prints table of formatted text format options
        """
        for style in range(8):
            for fg in range(30, 38):
                s1 = ''
                for bg in range(40, 48):
                    format = ';'.join([str(style), str(fg), str(bg)])
                    s1 += '\x1b[%sm %s \x1b[0m' % (format, format)
                print(s1)
            print('\n')
      
    print_format_table()

    
    

    Output:

This article is contributed by Amartya Ranjan Saikia. If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

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