26 lines
668 B
Python
26 lines
668 B
Python
import turtle
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tina= turtle.Turtle()
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r = turtle.numinput("输入半径","请输入大树的半径",100,minval = 0,maxval = 100)
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gap = turtle.numinput("输入间隔","请输入年轮之间的间隔",10,minval = 0,maxval = 100)
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age = 0
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tina.pensize(5)
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tina.pencolor("#663300")
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tina.fillcolor("#666600")
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tina.begin_fill()
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while r > 0:
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tina.circle (r,360)
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age = age + 1
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r = r - gap
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tina.penup()
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tina.setheading(90)
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tina.forward(gap)
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tina.setheading(0)
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tina.pendown()
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tina.end_fill()
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tina.penup()
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tina.goto(-20,-50)
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tina.pendown()
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tina.write("大树" + str(age) + "岁了！",False,align="left",font=("Arial",30,"normal"))
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tina.hideturtle()
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