This series is for yourself to learn Python notes. If there are errors, please correct me.
Graphical programming
In order to understand python more easily, we start to learn from turtle drawing.
# -*- coding: utf-8 -*-
"""
Created on Fri Dec 25 22:19:05 2020
@author: Administrator
"""
import turtle # 导入turtle模块
turtle.showturtle() #显示箭头
turtle.write('slp') #写字符串
turtle.forward(300) #前进300像素
turtle.color("red") #画笔颜色为红色
turtle.left(90)#箭头旋转90度
turtle.forward(300)
turtle.goto(0,50) #去坐标（0，50）
turtle.goto(0,0)
turtle.penup() #抬笔
turtle.goto(0,300)
turtle.pendown()#落笔
turtle.circle(100) #画圆
Here is a small exercise: draw the Olympic rings
# -*- coding: utf-8 -*-
"""
Created on Fri Dec 25 22:19:05 2020
@author: Administrator
"""
#绘制奥运五环
import turtle
turtle.width(10) #10像素的宽度
turtle.color("blue")
turtle.circle(50) #画圆
turtle.penup()
turtle.goto(120,0)
turtle.pendown()
turtle.color("black")
turtle.circle(50)
turtle.penup()
turtle.goto(240,0)
turtle.pendown()
turtle.color("red")
turtle.circle(50)
turtle.penup()
turtle.goto(60,-50)
turtle.pendown()
turtle.color("yellow")
turtle.circle(50)
turtle.penup()
turtle.goto(180,-50)
turtle.pendown()
turtle.color("green")
turtle.circle(50)
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