'''
NavSquare Program with Functions (part 1)
Defining Functions Lesson
Sample Solution. Values in functions may be different.
'''

from botcore import *
from time import sleep

motors.enable(True)

def go_straight():
    motors.run(LEFT, 30)
    motors.run(RIGHT, 30)
    sleep(2.0)

def turn_90():
    motors.run(LEFT, 20)
    motors.run(RIGHT, -20)
    sleep(0.72)

# -- Main Program --
# first side
go_straight()
turn_90()
# second side
go_straight()
turn_90()
# third side
go_straight()
turn_90()
# fourth side
go_straight()
turn_90()