最后调用turtle.done()函数,使绘图窗口一直保持开启状态。 当运行上面的代码时,会看到绘制完成后的正方形图形一直显示在窗口中,并且窗口不会自动关闭。 状态图 下面我们通过状态图来展示上述示例的流程: stateDiagram Start --> DrawSquare --> KeepWindowOpen --> End Start: 开始运行程序 DrawSquare: 绘制正方形...
height=600)# 设置窗口大小defdraw_square():# 定义绘图函数for_inrange(4):# 循环4次turtle.forward(100)# 向前移动100个像素turtle.right(90)# 右转90度draw_square()# 调用绘图函数defkeep_window_open(x,y):# 定义点击事件的处理函数pass# 空...
() dog.penup() dog.goto(-60, 15) dog.pendown() dog.begin_fill() dog.color("black") dog.circle(5) dog.end_fill() # Draw the nose dog.penup() dog.goto(-70, 0) dog.pendown() dog.color("black") dog.dot(10) # Hide the turtle dog.ht() # Keep the window open turtle....
("turtle") t.lt(36) q.lt(180) for t in p, q: t.begin_fill() for i in range(5): for t in p, q: t.fd(50) t.lt(72) for t in p,q: t.end_fill() t.lt(54) t.pu() t.bk(50) return "EVENTLOOP" if __name__ == '__main__': main() TK.mainloop() # keep...
turtle.right(1)turtle.forward(2)# 输入表白的语句，默认I Love you love=input('Please enter a sentence of love, otherwise the default is "I Love you":\n')#输入署名或者赠谁，没有不执行 me=input('Please enter pen name, otherwise the default do not execute:\n')if love=='':love='I ...
You should see a separate window open up:This window is called the screen. It’s where you can view the output of your code. The little black triangular shape in the middle of the screen is called the turtle.Note: Keep in mind that when you name a variable, you need to pick a ...
In this example, we create a user registration form with fields for name, email, and state. Themainloop()is called at the end to start the event loop and keep the application running until the user closes the window. When the user clicks the “Submit” button, thesubmit_form()function ...
Finally, we start the Tkinter main loop to keep the GUI running. root.mainloop() You can see the output in the screenshot below. ReadHow to Create Checkboxes in Python Tkinter? Conclusion In this tutorial, I helped you learn how touse the Tkinter Treeview widget in Python. I explained ...
Access local Python documentation, if installed, or start a web browser and open docs.python.org showing the latest Python documentation. Turtle Demo Run the turtledemo module with example Python code and turtle drawings. Additional help sources may be added here with the Configure IDLE dialog und...
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