colors2.py

#!/usr/bin/python3
import time

class Color:
    def __main__(self):
        pass

    def print(self, string, fg, bg=0, end="\n"):
        print("\033[38;5;{}m\033[48;5;{}m{}".format(fg, bg, string), end=end)

    def test(self):
        for bg in range(0, 256):
            for fg in range(0, 256):
                self.print("{:>4}:{:<4}".format(fg, bg), fg, bg, end="")
        print()

color = Color()

def main():
    color.test()

main()