课堂练习(画五星红旗)
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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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