python的一些简单学习案例

import turtle turtle.bgcolor("red") turtle.fillcolor("yellow") turtle.color('yellow') turtle.speed(10) #主星 turtle.begin_fill() turtle.up() turtle.goto(-600,220) turtle.down() for i in range (5): turtle.forward(150) turtle.right(144) turtle.end_fill() #第1颗副星 turtle.begin_fill() turtle.up() turtle.goto(-400,295) turtle.setheading(305) turtle.down() for i in range (5): turtle.forward(50) turtle.left(144) turtle.end_fill() #第2颗副星 turtle.begin_fill() turtle.up() turtle.goto(-350,212) turtle.setheading(30) turtle.down() for i in range (5): turtle.forward(50) turtle.right(144) turtle.end_fill() #第3颗副星 turtle.begin_fill() turtle.up() turtle.goto(-350,145) turtle.setheading(5) turtle.down() for i in range (5): turtle.forward(50) turtle.right(144) turtle.end_fill() #第4颗副星 turtle.begin_fill() turtle.up() turtle.goto(-400,90) turtle.setheading(300) turtle.down() for i in range (5): turtle.forward(50) turtle.left(144) turtle.end_fill()