import turtle

def draw_pentagram(size):
“”"
繪製五角星
“”"
# 計數器
count = 1
while count <= 5:
turtle.forward(size)
turtle.right(144)
#count = count + 1
count += 1

def main():
“”"
主函式
“”"

turtle.penup()
turtle.backward(200)
turtle.pendown()
turtle.pensize(2)
turtle.pencolor('red')

size = 50
while size <= 100:
    #呼叫函式
    draw_pentagram(size)
    #size = size + 10
    size += 10
    # +=, -+ , *= , /=


turtle.exitonclick()
 

if name == ‘main’:
main()