Anyone can solve this?

Question

Make the circle moving in these code.

This is not full code. This is beginning of my coding.
Link👇
https://code.sololearn.com/We8jGPYpW0Ky/?ref=app

Answer 1

ReimarPB he have edited it for make it works

Answer 2

Now circle is moving!!
https://code.sololearn.com/Wl8jDM8VB37g/?ref=app

Answer 3

In practice you have to set right attribute name for animate (in your case attributeName='cx' for animate cx attribute )

Answer 4

..It works fine for me