Python入门习题9.数码管时间

 #七段数码管.py
 import turtle,datetime
 def drawGap():  #绘制数码管间隔
     turtle.penup()
     turtle.fd(5)
 def drawLine(draw): #绘制单段数码管
     drawGap()
     turtle.pendown() if draw else turtle.penup()
     turtle.fd(40)
     drawGap()
     turtle.right(90)
 def drawDigit(d): #根据数字绘制七段数码管
     drawLine(True) if d in [2,3,4,5,6,8,9] else drawLine(False)
     drawLine(True) if d in [0,1,3,4,5,6,7,8,9] else drawLine(False)
     drawLine(True) if d in [0,2,3,5,6,8,9] else drawLine(False)
     drawLine(True) if d in [0,2,6,8] else drawLine(False)
     turtle.left(90)
     drawLine(True) if d in [0,4,5,6,8,9] else drawLine(False)
     drawLine(True) if d in [0,2,3,5,6,7,8,9] else drawLine(False)
     drawLine(True) if d in [0,1,2,3,4,7,8,9] else drawLine(False)
     turtle.left(180)
     turtle.penup()
     turtle.fd(20)
 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'))
         else:
             drawDigit(eval(i))
 def main():
     turtle.setup(800,350,200,200)
     turtle.penup()
     turtle.fd(-350)
     turtle.pensize(5)
     turtle.speed(100)
     drawDate(datetime.datetime.now().strftime('%Y-%m=%d+'))
     turtle.hideturtle()
 main()