How to download and setup manim-notebook
Open terminal and run command
                                            git clone https://github.com/Manim-Notebook/manim-notebook.git
                                        
                                        git clone is used to create a copy or clone of manim-notebook repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with manim-notebook https://github.com/Manim-Notebook/manim-notebook/archive/master.zip
Or simply clone manim-notebook with SSH
                                            [email protected]:Manim-Notebook/manim-notebook.git                                    
                                    If you have some problems with manim-notebook
You may open issue on manim-notebook support forum (system) here: https://github.com/Manim-Notebook/manim-notebook/issuesSimilar to manim-notebook repositories
Here you may see manim-notebook alternatives and analogs
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