From 6a6d09c488826c5d8e618f3d0a5db9997914b5f5 Mon Sep 17 00:00:00 2001
From: Simeon Simeonov
Date: Tue, 6 Dec 2022 05:50:53 +0100
Subject: Update python/python_3_8_to_3_11.ipynb, python/python_intro.ipynb,
 python/python_oo.ipynb and sqlalchemy/sqlalchemy.ipynb

---
 notebooks/python/python_oo.ipynb | 77 +++++++++++++++++++++++++++++++---------
 1 file changed, 60 insertions(+), 17 deletions(-)

(limited to 'notebooks/python/python_oo.ipynb')

diff --git a/notebooks/python/python_oo.ipynb b/notebooks/python/python_oo.ipynb
index fe717a9..7147a87 100644
--- a/notebooks/python/python_oo.ipynb
+++ b/notebooks/python/python_oo.ipynb
@@ -106,7 +106,7 @@
     "\n",
     "- class variable - attribute of which a single copy exists, regardless of how many instances of the class exist\n",
     "\n",
-    "- object / instance variable - attribute for which each instantiated object of the class has a separate copy, or instance\n",
+    "- object / instance variable, object / instance attribute - attribute for which each instantiated object of the class has a separate copy, or instance\n",
     "\n",
     "- method - member function - function that is an attribute"
    ]
@@ -208,7 +208,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 70,
+   "execution_count": 1,
    "id": "391e816e-c53b-454b-9e9f-3587234f1fea",
    "metadata": {},
    "outputs": [
@@ -241,6 +241,8 @@
     "        initialization of the base class part of the instance;\n",
     "        for example: super().__init__([args...]).\n",
     "        \"\"\"\n",
+    "        # defines instance attributes that will \"live\" as long as\n",
+    "        # the object / instance \"lives\" \n",
     "        self._x = x  # _ indicates \"protected\" attribute\n",
     "        self.__y = y  # not a typo: __ indicates \"private\" attribute.\n",
     "\n",
@@ -306,7 +308,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 71,
+   "execution_count": 2,
    "id": "e82feefb-025d-4cbb-a8ac-ddc3cc01269c",
    "metadata": {},
    "outputs": [
@@ -389,7 +391,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 72,
+   "execution_count": 3,
    "id": "71a90ec6-3cc0-441e-a866-c2c2b9984559",
    "metadata": {},
    "outputs": [
@@ -503,7 +505,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 73,
+   "execution_count": 4,
    "id": "a4d2735d-d167-4f43-ad55-cb3d13ece2dc",
    "metadata": {},
    "outputs": [
@@ -546,7 +548,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 74,
+   "execution_count": 5,
    "id": "a6ead5e6-e987-4bda-bf48-30f91877278d",
    "metadata": {},
    "outputs": [
@@ -605,7 +607,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 75,
+   "execution_count": 6,
    "id": "11f6a3fb-64d7-40a9-a130-27548ec4b802",
    "metadata": {},
    "outputs": [
@@ -683,7 +685,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 76,
+   "execution_count": 7,
    "id": "c345a69f-02da-40e7-bb37-c0511b6af096",
    "metadata": {},
    "outputs": [
@@ -774,7 +776,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 77,
+   "execution_count": 8,
    "id": "44d47e1c-1a06-4577-8db6-6ec78ce5cef8",
    "metadata": {},
    "outputs": [
@@ -948,7 +950,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 78,
+   "execution_count": 9,
    "id": "e6076925-75f0-456c-aed5-7db0a24a67a1",
    "metadata": {},
    "outputs": [
@@ -1059,7 +1061,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 79,
+   "execution_count": 13,
    "id": "cf79617a-95d2-48f2-be66-fa1fa34e4e04",
    "metadata": {},
    "outputs": [
@@ -1067,7 +1069,30 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Simeon's MRO: (<class '__main__.Simeon'>, <class '__main__.Mother'>, <class '__main__.Grandmother1'>, <class '__main__.Grandfather1'>, <class '__main__.Father'>, <class '__main__.Grandmother2'>, <class '__main__.Grandfather2'>, <class '__main__.Adam'>, <class '__main__.Eve'>, <class 'object'>)\n"
+      "Simeon's MRO: (<class '__main__.Simeon'>, <class '__main__.Mother'>, <class '__main__.Grandmother1'>, <class '__main__.Grandfather1'>, <class '__main__.Father'>, <class '__main__.Grandmother2'>, <class '__main__.Grandfather2'>, <class '__main__.Adam'>, <class '__main__.Eve'>, <class 'object'>)\n",
+      "Help on Simeon in module __main__ object:\n",
+      "\n",
+      "class Simeon(Mother, Father)\n",
+      " |  Method resolution order:\n",
+      " |      Simeon\n",
+      " |      Mother\n",
+      " |      Grandmother1\n",
+      " |      Grandfather1\n",
+      " |      Father\n",
+      " |      Grandmother2\n",
+      " |      Grandfather2\n",
+      " |      Adam\n",
+      " |      Eve\n",
+      " |      builtins.object\n",
+      " |  \n",
+      " |  Data descriptors inherited from Adam:\n",
+      " |  \n",
+      " |  __dict__\n",
+      " |      dictionary for instance variables (if defined)\n",
+      " |  \n",
+      " |  __weakref__\n",
+      " |      list of weak references to the object (if defined)\n",
+      "\n"
      ]
     }
    ],
@@ -1108,12 +1133,14 @@
     "    pass\n",
     "\n",
     "\n",
-    "print(f\"Simeon's MRO: {Simeon.__mro__}\")"
+    "print(f\"Simeon's MRO: {Simeon.__mro__}\")\n",
+    "simeon = Simeon()\n",
+    "help(simeon)"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 80,
+   "execution_count": 11,
    "id": "95a1d0cc-0006-4ddc-b08d-d0b8b02acfba",
    "metadata": {},
    "outputs": [
@@ -1179,7 +1206,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 81,
+   "execution_count": 12,
    "id": "38066107-0190-4383-ba14-a4e9cd454a9c",
    "metadata": {},
    "outputs": [
@@ -1189,7 +1216,23 @@
      "text": [
       "Using mock data\n",
       "Extracting production plans from data\n",
-      "some magic is happening here...\n",
+      "some magic is happening here...\n"
+     ]
+    },
+    {
+     "data": {
+      "text/plain": [
+       "'{}'"
+      ]
+     },
+     "execution_count": 12,
+     "metadata": {},
+     "output_type": "execute_result"
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
       "(<class '__main__.MockedButStillCoolTSPreprocessor'>, <class '__main__.CoolTSPreprocessor'>, <class '__main__.MockConnectionManager'>, <class '__main__.ConnectionManager'>, <class 'object'>)\n"
      ]
     }
@@ -1248,7 +1291,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.0"
+   "version": "3.10.8"
   }
  },
  "nbformat": 4,
-- 
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