there are four lights [ci skip]

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Min RK 2019-03-06 10:28:41 +01:00 committed by GitHub
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@ -142,11 +142,10 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"Notebooks consist of a **linear sequence of cells**. There are four basic cell types:\n",
"Notebooks consist of a **linear sequence of cells**. There are three basic cell types:\n",
"\n",
"* **Code cells:** Input and output of live code that is run in the kernel\n",
"* **Markdown cells:** Narrative text with embedded LaTeX equations\n",
"* **Heading cells:** Jupyter no longer uses special heading cells. Instead, write your headings in Markdown cells using # characters\n",
"* **Raw cells:** Unformatted text that is included, without modification, when notebooks are converted to different formats using nbconvert\n",
"\n",
"Internally, notebook documents are **[JSON](https://en.wikipedia.org/wiki/JSON) data** with **binary values [base64](http://en.wikipedia.org/wiki/Base64)** encoded. This allows them to be **read and manipulated programmatically** by any programming language. Because JSON is a text format, notebook documents are version control friendly.\n",