def flash(morse):
    unit = 1
    system('cls')
    for char in morse:
        if (char == '.'):
            print('.')
            sleep(unit)
            system('cls')
            sleep(unit)
        elif (char == '-'):
            print('.')
            sleep((unit * 3))
            system('cls')
            sleep(unit)
        elif (char == ' '):
            sleep(unit)
            system('cls')
        elif (char == '/'):
            sleep(unit)
            system('cls')
def flash(morse):
    unit = 1
    system('cls')
    for char in morse:
        if (char == '.'):
            print('.')
            sleep(unit)
            system('cls')
            sleep(unit)
        elif (char == '-'):
            print('.')
            sleep((unit * 3))
            system('cls')
            sleep(unit)
        elif (char == ' '):
            sleep(unit)
            system('cls')
        elif (char == '/'):
            sleep(unit)
            system('cls')