Add initial version of chapter 06's summary

06_text/03_summary.ipynb

@@ -0,0 +1,75 @@
+{
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+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "# Chapter 6: Text & Bytes (TL;DR)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "skip"
+    }
+   },
+   "source": [
+    "Textual data is modeled with the **immutable** `str` type.\n",
+    "\n",
+    "The `str` type supports *four* orthogonal **abstract concepts** that together constitute the idea of a **sequence**: Every `str` object is an *iterable container* of a *finite* number of *ordered* characters.\n",
+    "\n",
+    "A single **character** in a `str` object follows the idea of a **Unicode** character. It is mapped to a *unique* **code point** that is encoded into **bytes** with a dedicated character encoding, for example, **UTF-8**."
+   ]
+  }
+ ],
+ "metadata": {
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+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.6"
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+   "nav_menu": {},
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+   "skip_h1_title": true,
+   "title_cell": "Table of Contents",
+   "title_sidebar": "Contents",
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+   "toc_position": {
+    "height": "calc(100% - 180px)",
+    "left": "10px",
+    "top": "150px",
+    "width": "384px"
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+   "toc_section_display": false,
+   "toc_window_display": false
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}

README.md

@@ -159,6 +159,7 @@ Alternatively, the content can be viewed in a web browser
        Multi-line Strings;
        `bytes` Type;
        Character Encodings)
+    - [summary <img height="12" style="display: inline-block" src="static/link/to_nb.png">](https://nbviewer.jupyter.org/github/webartifex/intro-to-python/blob/develop/06_text/03_summary.ipynb)
 
 
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