课堂练习（画五星红旗）

Posted 2020-10-06

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import turtle
turtle.speed(41)
turtle.penup()
turtle.goto(-300,240)
turtle.pendown()
##画国旗背景
turtle.fillcolor(‘red‘)
turtle.begin_fill()
turtle.forward(600)
turtle.right(90)
turtle.forward(400)
turtle.right(90)
turtle.forward(600)
turtle.right(90)
turtle.forward(400)
turtle.end_fill()
##画大五角星
turtle.penup()
turtle.goto(-263,163)
turtle.pendown()

turtle.color(‘yellow‘)
turtle.fillcolor(‘yellow‘)
turtle.begin_fill()
turtle.right(90)
for i in range(5):
    turtle.forward(100)
    turtle.right(144)
turtle.end_fill()


##画小五角星
##第一个
turtle.penup()
turtle.goto(-126,211)
turtle.pendown()

turtle.color(‘yellow‘)
turtle.fillcolor(‘yellow‘)
turtle.begin_fill()
turtle.right(90)
for i in range(5):
    turtle.forward(20)
    turtle.right(144)
turtle.end_fill()
##第二个
turtle.penup()
turtle.goto(-90,140)
turtle.pendown()

turtle.color(‘yellow‘)
turtle.fillcolor(‘yellow‘)
turtle.begin_fill()
turtle.right(90)
for i in range(5):
    turtle.forward(20)
    turtle.right(144)
turtle.end_fill()
##第三个
turtle.penup()
turtle.goto(-126,64)
turtle.pendown()

turtle.color(‘yellow‘)
turtle.fillcolor(‘yellow‘)
turtle.begin_fill()
turtle.right(90)
for i in range(5):
    turtle.forward(20)
    turtle.right(144)
turtle.end_fill()
##第四个
turtle.penup()
turtle.goto(-192,30)
turtle.pendown()

turtle.color(‘yellow‘)
turtle.fillcolor(‘yellow‘)
turtle.begin_fill()
turtle.right(90)
for i in range(5):
    turtle.forward(20)
    turtle.right(144)
turtle.end_fill()

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