学习简单的图形化程序设计
老师为了让初学的我们更加容易的接受编程,从海龟画图开始学习python,使我们在不接触其他编程概念时,就能做一些简单的效果,提高兴趣。
import turtle #导入turtle模块
turtle.showturtle() #显示箭头
turtle.write('zhaolei') #写字符串
turtle.forward(300) #前进300像素
turtle.left(90) #箭头左转90度
turtle.goto(0,50) #去坐标(0,50)
turtle.penup() #抬笔,不显示路径
turtle.pendown() #下笔
turtle.circle(100) #画圆,半径为100
turtle.width(10) #画笔宽度10
作业一:画一个简单的奥运五环标志

#绘制奥运五环
import turtle
turtle.width(10)
turtle.showturtle()
turtle.color("blue")
turtle.circle(50)
turtle.penup()
turtle.forward(120)
turtle.pendown()
turtle.color("black")
turtle.circle(50)
turtle.penup()
turtle.forward(120)
turtle.pendown()
turtle.color("red")
turtle.circle(50)
turtle.penup()
turtle.goto(60,-60)
turtle.pendown()
turtle.color("yellow")
turtle.circle(50)
turtle.penup()
turtle.goto(180,-60)
turtle.pendown()
turtle.color("green")
turtle.circle(50)
作业二:使用海龟绘图输出四个矩型

#输出四个矩形
import turtle
turtle.width(2)
turtle.color("red")
turtle.goto(60,0)
turtle.goto(60,60)
turtle.goto(60,60)
turtle.goto(0,60)
turtle.goto(0,0)
turtle.penup()
turtle.goto(80,0)
turtle.pendown()
turtle.goto(140,0)
turtle.goto(140,60)
turtle.goto(80,60)
turtle.goto(80,0)
turtle.penup()
turtle.goto(0,-80)
turtle.pendown()
turtle.goto(60,-80)
turtle.goto(60,-20)
turtle.goto(0,-20)
turtle.goto(0,-80)
turtle.penup()
turtle.goto(80,-80)
turtle.pendown()
turtle.goto(140,-80)
turtle.goto(140,-20)
turtle.goto(80,-20)
turtle.goto(80,-80)
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