Day1 Session3: use markdown for tables

Author: pajanne

Introduction_to_python_day_1_session_3.ipynb

@@ -211,28 +211,17 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "With conditional execution the question naturally arises as to which expressions are deemed to be true and which false. For the python boolean values <tt>True</tt> and <tt>False</tt> the answer is (hopefully) obvious. Also, the logical states of truth and falsehood that result from conditional checks like “Is x greater than 5?” or “Is y in this list?” are also clear. When comparing values Python has the standard comparison (or relational) operators, some of which we have already seen:\n"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "<table>\n",
-    "    <tr><th>Operator</th><th>Description</th><th>Example</th></tr>\n",
-    "    <tr><td><tt>==</tt></td><td>equality</td><td><tt>1 == 2 # False</tt></td></tr>    \n",
-    "    <tr><td><tt>!=</tt></td><td>non equality</td><td><tt>1 != 2 # True</tt></td></tr>   \n",
-    "    <tr><td><tt><</tt></td><td>less than</td><td><tt>1 < 2 # True</tt></td></tr>\n",
-    "    <tr><td><tt><=</tt></td><td>equal or less than</td><td><tt>2 <= 2 # True</tt></td></tr>    \n",
-    "    <tr><td><tt>></tt></td><td>greater then</td><td><tt>1 > 2 # False</tt></td></tr>    \n",
-    "    <tr><td><tt>>=</tt></td><td>equal or greater than</td><td><tt>1 >= 1 # True</tt></td></tr>    \n",
-    "</table>"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
+    "With conditional execution the question naturally arises as to which expressions are deemed to be true and which false. For the python boolean values <tt>True</tt> and <tt>False</tt> the answer is (hopefully) obvious. Also, the logical states of truth and falsehood that result from conditional checks like “Is x greater than 5?” or “Is y in this list?” are also clear. When comparing values Python has the standard comparison (or relational) operators, some of which we have already seen:\n",
+    "\n",
+    "|Operator |\tDescription |\tExample |\n",
+    "|---------|-------------|-----------|\n",
+    "|`==`  |\t    equality |\t1 == 2 # False |\n",
+    "|`!=`  |\t    non equality |\t1 != 2 # True |\n",
+    "| `<`  |\t    less than |\t1 < 2 # True |\n",
+    "| `<=` |\t    equal or less than |\t2 <= 2 # True |\n",
+    "| `>`  |\t    greater then |\t1 > 2 # False |\n",
+    "| `>=` |\t    equal or greater than |\t1 >= 1 # True |\n",
+    "\n",
     "It is notable that comparison operations can be combined, for example to check if a value is within a range."
    ]
   },
@@ -283,32 +272,20 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
+    "In Python even expressions that do not involve an obvious boolean value can be assigned a status of \"truthfulness\";  the value of an item itself can be forced to be considered as either True or False inside an if statement. For the Python built-in types discussed in this chapter the following are deemed to be False in such a context:\n",
+    "\n",
+    "| False value | Description | \n",
+    "|-------------|-------------|\n",
+    "| `None` |\tnumeric equality |\n",
+    "| `False` |\tFalse boolean |\n",
+    "| `0`\t| 0 integer |\n",
+    "| `0.0` |\t0.0 floating point |\n",
+    "| `\"\"` |\tempty string |\n",
+    "| `()` |\tempty tuple |\n",
+    "| `[]` |\tempty list |\n",
+    "| `{}` |\tempty dictonary |\n",
+    "| `set()` |\tempty set |\n",
     "\n",
-    "In Python even expressions that do not involve an obvious boolean value can be assigned a status of \"truthfulness\";  the value of an item itself can be forced to be considered as either True or False inside an if statement. For the Python built-in types discussed in this chapter the following are deemed to be False in such a context:"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "<table>\n",
-    "    <tr><th>False value</th><th>Description</th></tr>\n",
-    "    <tr><td><tt>None</tt></td><td>numeric equality</td></tr>\n",
-    "    <tr><td><tt>False</tt></td><td>False boolean</td></tr>\n",
-    "    <tr><td><tt>0</tt></td><td>0 integer</td></tr>\n",
-    "    <tr><td><tt>0.0</tt></td><td>0.0 floating point</td></tr>\n",
-    "    <tr><td><tt>\"\"</tt></td><td>empty string</td></tr>\n",
-    "    <tr><td><tt>()</tt></td><td>empty tuple</td></tr>\n",
-    "    <tr><td><tt>[]</tt></td><td>empty list</td></tr>\n",
-    "    <tr><td><tt>{}</tt></td><td>empty dictonary</td></tr>\n",
-    "    <tr><td><tt>set()</tt></td><td>empty set</td></tr>\n",
-    "</table>"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
     "And everything else is deemed to be True in a conditional context."
    ]
   },