I would like to know animated below plot, and I have the following code, however nothing is shown in the output. Please help me debug.

Can someone explain this Python code to me?

I have a dataframe that includes position data from all 9 players on a baseball field including the hitter throughout a given play as well as the ball trajectory. I need some help with figuring out possibly why my animation is not working. The code below plots an instance of the plot, but it doesn’t show a continuous animation. In other words, it should show dots moving continuously. Here is my code:

I want to animate the astrofisical two-body-problem with mass loss on python. In doing so I want also that my orbit is not a rigid line but it fades gradually as the frame updates. In doing so I had to move away from the usual line = ax.plot(....) but instead use a collection of lines.

I use python and matplotlib to create bar chart race animation, the data is time series and keep update every day. I want only save updated frames to file, for example, the frames are 10460 unti yesterday, the video file created in one hour.

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I have below code and output, I would like to learn how to make it animated.