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Python例項7:七段數碼管繪製

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 drawDigit(digit):     drawLine(True) if digit in [2,3,4,5,6,8,9] else drawLine(False)     drawLine(True) if digit in [0,1,3,4,5,6,7,8,9] else drawLine(False)     drawLine(True) if digit in [0,2,3,5,6,8,9] else drawLine(False)     drawLine(True) if digit in [0,2,6,8] else drawLine(False)     turtle.left(90)     drawLine(True) if digit in [0,4,5,6,8,9] else drawLine(False)     drawLine(True) if digit in [0,2,3,5,6,7,8,9] else drawLine(False)     drawLine(True) if digit in [0,1,2,3,4,8,9] 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',20,'normal'))             turtle.pencolor('green')             turtle.fd(40)         elif i == '=':             turtle.write('月',font=('Arial',20,'normal'))             turtle.pencolor('blue')             turtle.fd(40)         elif i == '+':             turtle.write('日',font=('Arial',20,'normal'))         else:             drawDigit(eval(i)) def main():     turtle.setup(1000,450,200,200)     turtle.penup()     turtle.fd(-300)     turtle.pensize(5)     drawDate(time.strftime("%Y-%m=%d+",time.gmtime()))     turtle.hideturtle()     turtle.done() main()