手把手python实现七段数码管绘制，低阶教程

port datetime
import turtle
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(d):
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("yellow")
for z in date:
if z == '-':
turtle.write("年")
turtle.pencolor("green")
turtle.fd(40)
elif z == '=':
turtle.write("月")
turtle.pencolor("blue")
turtle.fd(40)
elif z == "+":
turtle.write("日")
turtle.pencolor("yellow")
turtle.fd(40)
else:
drawDigit(eval(z))
def main():
turtle.setup(800, 350, 200, 200)
turtle.penup()
turtle.fd(-350)
turtle.pensize(5)
drawDate(datetime.datetime.now().strftime("%Y-%m=%d+"))
turtle.hideturtle()
main()
import time
import turtle
def koch(size, n):
if n == 0:
turtle.fd(size)
else:
for angle in [0, 60, -120, 60]:
time.sleep(0.2)
turtle.left(angle)
koch(size / 3, n - 1)
def main():
turtle.setup(800, 400)
# time.sleep(1)
turtle.speed(-1)
turtle.penup()
turtle.goto(-300, -50)
turtle.pendown()
turtle.pensize(3)
turtle.pencolor("blue")
koch(600, 3)
turtle.hideturtle()
main()

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