第9课：绘制中国福字 列表(自由创编)课件

(共13张PPT)
福
列表
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指令记忆
problems
问题引入
小海龟是怎么画出不连续的线段的？
海龟先直走；然后抬笔，再直走；落笔，直走，重复几次就可以形成了不连续线段（虚线）
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实 例 演 示
import turtle as t
t.goto(0,0)
t.speed(0)
t.delay(0)
t.pendown()
anglelist=[30,60,90,120,150,180]
colorlist=["red","orange","yellow", "green","blue","purple"]
for i in range(180):
t.forward(i)
t.pencolor(colorlist[i%6])
t.left(anglelist[1])
import turtle
turtle.speed(0)
turtle.delay(0)
# Set up the turtle screen
turtle.bgcolor("black")
turtle.title("Dynamic Design with 东辰")
# Function to draw a dynamic pattern
def draw_dynamic_pattern():
colors = ["red", "orange", "yellow", "green", "blue", "indigo", "violet"]
for _ in range(72):
turtle.pencolor(colors[_ % len(colors)])
turtle.forward(_)
turtle.right(45)
# Draw the dynamic pattern
draw_dynamic_pattern()
# Move turtle to a new position to write "东辰"
turtle.penup()
turtle.goto(-20, -50)
turtle.pendown()
turtle.color("white")
turtle.write("东辰", font=("Arial", 16, "bold"))
# Hide the turtle
turtle.hideturtle()
# Keep the window open
turtle.done()
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小 码 当 家
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取余的认识
样例网址：http://maker./python/
同 学 们 再 见 ！