cooltricks.md

Making text appear one character at a time.

import sys, time

def print1by1(text, delay=0.1):
    for c in text:
        sys.stdout.write(c)
        sys.stdout.flush()
        time.sleep(delay)
    print

print1by1("Hello there!")

Fill screen with random colorful strings

# python3 -m pip install asciimatics
from random import randint
from asciimatics.screen import Screen

def demo(screen):
    while True:
        screen.print_at('Hello world!',
                        randint(0, screen.width), randint(0, screen.height),
                        colour=randint(0, screen.colours - 1),
                        bg=randint(0, screen.colours - 1))
        ev = screen.get_key()
        if ev in (ord('Q'), ord('q')):
            return
        screen.refresh()

Screen.wrapper(demo)

Clear screen while still in program (credit to Clint Robertson)

def clearScreen():
  if os.name == "nt":
    os.system("cls")
else:
   os.system("clear")