addtition

0/tutorial.py

@@ -710,3 +710,24 @@ lda1.lda_print_example_arg()  # pylint: disable=no-member # ide freak out
 # except for lda_set_example_arg
 
 # dont do this, however, as ide will freak out.
+
+
+"""so uh that was a bad example huh.
+
+turning back to list. Now you know list is a kinda a class.
+and class has methods. List also has some methods.
+"""
+
+copied_1_20 = one_to_20.copy()  # this shallow copies
+
+copied_1_20.append(21)
+
+assert copied_1_20 != one_to_20
+
+# if you have intellicode you can do ctrl + space to get that hints going.
+
+"""
+ah yes intellicode. 
+You can view methods easily with intellisense if using vscode, 
+and you can also docs.python.org for more
+"""

0/tutorial2.ipynb

@@ -26,8 +26,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "x = 3 # variable = value\n",
-    "x = 31.28 # float value\n",
+    "x = 3  # variable = value\n",
+    "x = 31.28  # float value\n",
     "\n",
     "x = 3 + 5\n",
     "assert x == 8"
@@ -44,29 +44,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "thats right\n"
+     ]
+    }
+   ],
    "source": [
     "try:\n",
     "    x\n",
-    "except NameError:\n",
+    "except NameError: # last code block define x\n",
     "    print(\"play the last code block broski\")\n",
-    "else:\n",
-    "    print(\"thats right\")"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "try:\n",
-    "    x\n",
-    "except NameError:\n",
-    "    print(\"play the last code block broski\")\n",
-    "else:\n",
+    "else: # last code block ran\n",
     "    print(\"thats right\")"
    ]
   },
@@ -90,13 +84,9 @@
    "outputs": [],
    "source": [
     "my_list = [\"this\", \"is\", \"a\", \"list\"]\n",
-    "my_dict = {\n",
-    "    \"my key\": \"my value\",\n",
-    "    \"my life\": \"my rules\",\n",
-    "    \"my style\": \"my attitute\"\n",
-    "}\n",
+    "my_dict = {\"my key\": \"my value\", \"my life\": \"my rules\", \"my style\": \"my attitute\"}\n",
     "\n",
-    "assert my_list[1] == \"is\" # not \"this\"\n",
+    "assert my_list[1] == \"is\"  # not \"this\"\n",
     "assert my_list[-1] == \"list\""
    ]
   },
@@ -106,12 +96,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "my_longer = list(range(20)) # 0 -> 19\n",
+    "my_longer = list(range(20))  # 0 -> 19\n",
     "\n",
-    "assert my_longer[2:5] == [2, 3, 4] # slice\n",
-    "assert my_longer[:4] == [0, 1, 2, 3] # blank start for 0\n",
-    "assert my_longer[3::5] == [3, 8, 13, 18] # blank stop for past end\n",
-    "assert my_longer[18:6:-4] == [18, 14, 10] # empty/no step for 1\n",
+    "assert my_longer[2:5] == [2, 3, 4]  # slice\n",
+    "assert my_longer[:4] == [0, 1, 2, 3]  # blank start for 0\n",
+    "assert my_longer[3::5] == [3, 8, 13, 18]  # blank stop for past end\n",
+    "assert my_longer[18:6:-4] == [18, 14, 10]  # empty/no step for 1\n",
     "assert my_longer[:-3:8] == [0, 8, 16]"
    ]
   },
@@ -126,7 +116,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -143,11 +133,22 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 4,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "8"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
-    "my_function(\"hello \", \"world!\") # dont do this\n",
+    "my_function(\"hello \", \"world!\")  # dont do this\n",
     "my_function(2, 6)"
    ]
   },
@@ -176,9 +177,20 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 5,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "34"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
    "source": [
     "container = [1, 11, 5, 17]\n",
     "sum_ = 0\n",
@@ -196,10 +208,187 @@
     "x = 0\n",
     "while True:\n",
     "    x += 1\n",
-    "    \n",
+    "\n",
     "    if x > 20:\n",
     "        break"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "match 2 + 3:\n",
+    "    case x if x <= 4:\n",
+    "        print(\"no way\")\n",
+    "    case 5:\n",
+    "        print(\"2 + 3 = 5\")\n",
+    "    case x if x > 6: # match doesnt need to cover all cases\n",
+    "        print(\"woah\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "`break` and `continue` work with the innermost for/while loop. also works with match i think i never tested\n",
+    "\n",
+    "### Exceptions\n",
+    "\n",
+    "exceptions are python errors. you can let it crash, catch with try except, or raise one yourself.\n",
+    "\n",
+    "Some common ones are `ValueError` `TypeError` and `OSError` type shit"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "try:\n",
+    "    raise ValueError(\"value eroe\")\n",
+    "except ValueError as error:\n",
+    "    print(\"raised\", error)\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "### class\n",
+    "\n",
+    "class. methods. backbone of python."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "('spam', 42)"
+      ]
+     },
+     "execution_count": 6,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "class Foo:\n",
+    "    bar = \"baz\"\n",
+    "\n",
+    "    def quux(tis, arg1):\n",
+    "        return arg1, 42\n",
+    "    \n",
+    "# usage:\n",
+    "\n",
+    "fbar = Foo()\n",
+    "\n",
+    "fbar.quux(\"spam\")"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "looking ass.\n",
+    "\n",
+    "class has class properties and instance properties. instance probably goes self.something, while class Foo.something.\n",
+    "\n",
+    "it can be a number, a string, a list (not advised), or a function?\n",
+    "\n",
+    "for a function in a class it would be marked a classmethod (`@classmethod`) and with classmethods the instance get passed in first arg.\n",
+    "`@staticmethod` used in the class block revert this behavior.\n",
+    "\n",
+    "check the tutorial.py file im lazy"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "(1, [10, 7, 4])"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "# everything is a class so your list is also a class\n",
+    "# so it has classmethods:\n",
+    "\n",
+    "list_lda = [1, 4, 7]\n",
+    "list_lda.append(10)\n",
+    "list_lda.reverse()\n",
+    "list_lda.pop(), list_lda"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "do research broski\n",
+    "\n",
+    "## what the fuck is this half code half document\n",
+    "\n",
+    "jupyter. very flexible very dynamic. you can have jupyter running on browser or on vscode i think\n",
+    "\n",
+    "jupyter has a lot of thingimajig suitable for data engineers.\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[[1 5 7]\n",
+      " [2 6 8]\n",
+      " [3 4 9]]\n"
+     ]
+    }
+   ],
+   "source": [
+    "try:\n",
+    "    import numpy as np\n",
+    "except ImportError:\n",
+    "    print(\"python -m pip install numpy\")\n",
+    "else:\n",
+    "    print(np.array([[1, 5, 7], [2, 6, 8], [3, 4, 9]]))\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "for example the shit we are very much working with in the course: numpy. matplotlib. scipy maybe\n",
+    "\n",
+    "### numpy\n",
+    "\n",
+    "so you just learned python. SCRAP ALL THAT SHIT we learn a new language called Numpy.\n",
+    "\n",
+    "fuck you mean numpy a new language?\n",
+    "\n",
+    "see. numpy dont use python for the bulk of its operations. python is slow, they say, but c is fast. numpy is made in C.\n",
+    "\n",
+    "so numpy dont use python types. numpy uses its own types. its own functions. almost all of them not from python but from C for all the speed\n",
+    "\n",
+    "try ctrl space the just imported np object. snoop around. its complicated. theres so much. we dont use much of it tho."
+   ]
   }
  ],
  "metadata": {