python绘制七段数码管

七段数码管可以用来表示我们生活中的数字，绘制过程主要有turtle和函数实现，下面是七段数码管的原理

 代码如下：

import turtle
import time
#绘制一条线，并且将turtle转向
def drawLine(draw):
    # 使每一条线段起末存在间隙
    drawGap()
    turtle.pendown() if draw else turtle.penup()
    turtle.fd(40)
    # 使每一条线段起末存在间隙
    drawGap()
    turtle.right(90)
#使每一条线段起末存在间隙
def drawGap():
    turtle.penup()
    turtle.fd(5)
#绘制一个数
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 [0,1,2,3,4,7,8,9] else drawLine(False)
    turtle.left(180)
    turtle.penup()
    turtle.fd(20)
def drawDate(date):
    for i in date:
        if i=='N':
            turtle.pencolor("green")
            turtle.write('年',font=("Arial",18,"normal"))
            turtle.fd(40)
        elif i=='Y':
            turtle.pencolor("green")
            turtle.write('月',font=("Arial",18,"normal"))
            turtle.fd(40)
        elif i=='R':
            turtle.pencolor("green")
            turtle.write('日',font=("Arial",18,"normal"))
            turtle.fd(40)
        else:
            turtle.pencolor("purple")
            drawDigit(eval(i))
def main():
    turtle.setup(800,350,200,200)
    turtle.penup()
    turtle.fd(-300)
    turtle.pensize(5)
    #获取当前时间并且对时间格式进行标准化
    drawDate(time.strftime('%YN%mY%dR',time.gmtime()))
    turtle.hideturtle()
    turtle.done()

main()

运行结果如下：