Jupyter Notebook Footnote example. This also works with Google Colaboratory.

FootnoteExample.ipynb

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    "This is an example of footnote.<a name=\"cite_ref-1\"></a>[<sup>[1]</sup>](#cite_note-1)"
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    "This is another example of footnote.<a name=\"cite_ref-2\"></a>[<sup>[2]</sup>](#cite_note-2)"
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    "<a name=\"cite_note-1\"></a>1. [^](#cite_ref-1) footnote 1"
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