updated 003 for logical operators

giumas · giumas · commit 8ab5aeb11194 · 2019-02-22T10:46:04.000-05:00
diff --git a/003_Conditional_Execution.ipynb b/003_Conditional_Execution.ipynb
@@ -194,7 +194,34 @@
    "source": [
     "<img align=\"left\" width=\"6%\" style=\"padding-right:10px;\" src=\"images/key.png\">\n",
     "\n",
-    "It is also possible to combine several boolean expressions into a single one by using the **[logical operators](https://docs.python.org/3.6/reference/expressions.html?#boolean-operations)**: `and`, `or`, and `not`."
+    "It is possible to combine pairs of boolean expressions (**operands**) into a single one using **[logical operators](https://docs.python.org/3.6/reference/expressions.html?#boolean-operations)** such as `and` and `or`. "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "<img align=\"left\" width=\"6%\" style=\"padding-right:10px;\" src=\"images/key.png\">\n",
+    "\n",
+    "It is also possible to invert the result of a boolean expression using the `not` logical operator."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The following table summarizes the behavior of these **logical operators**:"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "| Operator | Usage                                                               |\n",
+    "| -------- | ------------------------------------------------------------------- |\n",
+    "| `and`    | `True` if both the operands are `True`. Otherwise, `False`.         |\n",
+    "| `or`     | `True` if either of the operands are `True`. Otherwise, `False`.    |\n",
+    "| `not`    | `True` if the following operand is `False`. Othersiwe, `False.      |"
    ]
   },
   {
@@ -222,6 +249,13 @@
     "(8 < 10) and (8 >= 2)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "The result of the above code is `True` because both `(8 < 10)` and `(8 >= 2)` operands are `True`."
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
