等边三角形

import turtle

设置画布和画笔

screen = turtle.Screen()
screen.bgcolor("white") # 设置背景颜色
pen = turtle.Turtle()
pen.shape("turtle") # 设置画笔形状为小乌龟
pen.color("blue") # 设置画笔颜色
pen.pensize(2) # 设置画笔粗细

绘制等边三角形

side_length = 200 # 边长
for _ in range(3):
pen.forward(side_length) # 画一条边
pen.left(120) # 左转120度

结束绘制

pen.hideturtle() # 隐藏画笔
turtle.done() # 结束绘图