tkinter：是python跨平台的自带库。

1 import random 2 from tkinter import * 3 # 构建一个窗口 4 tk=Tk() 5 tk.title("GUI") 6 def wwh(): 7     print("想学习找我，嘿嘿") 8  9 # 构建一个画布，宽高，以像素为单位10 canvas=Canvas(tk,width=200,height=100)11 canvas.pack()12 btn=Button(tk,text="这是一个rb网站....你敢吗？",command=wwh)13 # 显示界面14 btn.pack()15 16 canvas.create_rectangle(10,10,50,50)17 canvas.create_line(10,10,200,200)18 canvas.create_rectangle(20,20,100,50)19 canvas.create_arc(75,75,175,100,extent=359,style=ARC)20 canvas.create_polygon(100,20,175,50,120,80,150,90)21 22 def random_wwh(width,height):23     x=random.randrange(width)24     y=random.randrange(height)25     x1=x+random.randrange(width)26     y1=y+random.randrange(height)27     canvas.create_rectangle(x,y,x1,y1,stipple='gray12',dash=10)28 29 # 循环绘制200个图形30 for wwh in range(0,200):31     random_wwh(300,300)32 33 # 运行34 tk.mainloop()