TimerNotGuii

from time import sleep

# Function Convert to minutes:seconds
def timeku(seconds):
    min, sec = divmod(seconds, 60)
    return "%02d:%02d" % (min, sec)

Function count down
def countdown(t):
    while t > 0:
        print(timeku(t))
        t -= 1
        sleep(1)

    if t == 0:
        print("Game Over Broo")

countdown(120)