Use the "TURTLE" library in Python to create an animation effect

Using the Turtle class library in Python can create a variety of interesting animation effects.The Turtle class library is a very useful drawing tool in Python, which can be drawn and displayed by graphics and animation.The following is a Chinese knowledge article about how to create an animation effect on how to use the Turtle class library. Title: Use the "TURTLE" library in Python to create animation effects The "TURTLE" library in Python provides a simple and easy -to -use drawing tool that can create a variety of interesting animation effects through programming.When we want to achieve some simple graphics animation in Python, the Turtle class library can become a good choice. We need to install it before using the TURTLE class library.You can install it by running "PIP Install Turtle" in the terminal or command prompt.After the installation is completed, we can introduce the TURTLE module in the Python program. When using the Turtle class library to create animation effects, we need to understand some basic concepts and configurations.The core concepts in the TURTLE class library include canvas, turtles and commands.The canvas are a area used to draw graphics, and the turtles are brushes that we can control and move on the canvas to draw graphics.The command is the instruction we sent to the turtle, such as moving forward a certain distance, rotating a certain angle, etc. Below is a simple example, showing how to use the Turtle class library to create a mobile little turtle: python import turtle # Create a canvas win = turtle.Screen() # Create a turtle t = turtle.Turtle() # Set the speed of the turtle t.speed(1) # Control Turtle Mobile for _ in range(4): t.forward(100) t.right(90) # Turn off the canvas win.exitonclick() In this example, we first introduced the TURTLE module and created a canvas `Win`.Then, we created a tortoise `T` and set its speed to 1.Next, we use a for cycle to control the turtle movement, let the turtles move forward 100 units and turn 90 degrees right, repeat 4 times, so that a square is formed.Finally, we call `Win.exitonClick ()` to keep the canvas display until the click is closed. Of course, the above example is just a very simple demonstration.The animation effect that can be created using the TURTLE class library is very rich. You can draw various graphics and animations by controlling the movement of the turtles, rotation, brush color, etc. In addition to the basic turtle movement and drawing methods, the Turtle class library also provides some other configuration options and methods.For example, we can change the color of the turtle through `t.color ('red')` `t.pendown () and` t.penup () `to control whether the turtle draws graphics, call` t.Goto(x, y) `method let the turtles move directly to the specified location, and so on. In summary, the Turtle class library in Python can create a variety of interesting animation effects.Through simple programming and configuration, we can control the turtles to draw graphics and animations on the canvas to enjoy the fun brought by programming.