turtle-seven-segment digital acquisition system time tube drawing

import turtle
import time

def drawGap():
    turtle.penup()
    turtle.fd(5)
def drawLine(draw):
    drawGap()
    turtle.pendown() if draw else turtle.penup()
    turtle.fd(40)
    drawGap()
    turtle.right(90)
def drawDate(date):
    turtle.pencolor("red")
    for i in date:
        if i =='-':
            turtle.write('年',font=("Arial", 18, "normal"))
            turtle.pencolor("green")
            turtle.fd(40)
        elif i =='+':
            turtle.write('月', font=("Arial", 18, "normal"))
            turtle.pencolor("blue")
            turtle.fd(40)
        elif i == '=':
            turtle.write('日', font=("Arial", 18, "normal"))
            turtle.pencolor("blue")
            turtle.fd(40)
        else:
             drawDigit(eval(i))
def drawDigit(i):
    drawLine(True) if i in [2, 3, 4, 5, 6, 8, 9] else drawLine(False)
    drawLine(True) if i in [0, 1, 3, 4, 5, 6, 7, 8, 9] else drawLine(False)
    drawLine(True) if i in [0, 2, 3, 5, 6, 8, 9] else drawLine(False)
    drawLine(True) if i in [0, 2, 6, 8] else drawLine(False)
    turtle.left(90)
    drawLine(True) if i in [0, 4, 5, 6, 8, 9] else drawLine(False)
    drawLine(True) if i in [0, 2, 3, 5, 6, 7, 8, 9] else drawLine(False)
    drawLine(True) if i in [0, 1, 2, 3, 4, 7, 8, 9] else drawLine(False)
    turtle.left(180)
    turtle.penup()
    turtle.fd(20)
def main():
    turtle.setup(800, 600)
    turtle.pencolor('blue')
    turtle.penup()
    turtle.left(180)
    turtle.fd(350)
    turtle.left(180)
    turtle.pensize(8)
    drawDate(time.strftime('%Y-%m+%d=', time.gmtime()))
    turtle.hideturtle()
    turtle.done()
main()