init

Author: Kinetics20

.gitignore

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+# Python-generated files
+__pycache__/
+*.py[oc]
+build/
+dist/
+wheels/
+*.egg-info
+
+# Virtual environments
+.venv

.python-version

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+3.12

Contex_manager_samples/__init__.py

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+class Yolo:
+    def __init__(self):
+        print('init')
+
+    def __enter__(self):
+        print('entering')
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        if exc_type:
+            print('exception')
+        else:
+            print('exiting')
+        return True
+
+
+with Yolo() as y:
+    print('normal code')
+    raise Exception('oops')
+
+print('Next code')

Contex_manager_samples/sample_1_.py

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+class Yolo:
+    def __init__(self):
+        print('init')
+
+    def __enter__(self):
+        print('entering')
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        if exc_type:
+            print('exception')
+        else:
+            print('exiting')
+        return True
+
+
+# with Yolo() as y:
+#     print('normal code')
+#     raise Exception('oops')
+
+# print('Next code')
+
+# result = Yolo()
+
+# with open('test.txt', 'w') as f:
+#     f.write('test')
+
+
+try:
+    file = open('test.txt', 'r')
+except FileNotFoundError as err:
+    print("File not found")
+except PermissionError as err:
+    print("Permission denied")
+else:
+    print(file.read())
+    file.close()

Contex_manager_samples/sample_2_.py

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+from contextlib import contextmanager
+
+
+@contextmanager
+def yolo():
+    # __enter__
+    print("entering")
+    try:
+        yield "y"
+    except Exception:
+        print("error exiting")
+    finally:
+        print("exiting")
+
+
+with yolo() as y:
+    print(y)
+    raise ValueError()

Contex_manager_samples/sample_3_.py

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+from contextlib import contextmanager
+
+
+@contextmanager
+def propagator(name, propagate=True):
+    try:
+        yield
+        print(f"{name}: done")
+    except Exception:
+        print(f"{name}: received exception")
+        if propagate:
+            raise
+
+
+with propagator("outer", True), propagator("inner", True):
+    raise Exception("yolo")

Contex_manager_samples/sample_4_.py

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+{
+ "cells": [
+  {
+   "metadata": {},
+   "cell_type": "markdown",
+   "source": [
+    "### Interning \n",
+    "\n",
+    "- special feature in python to store value for references due to reusing values\n",
+    "- only for immutable types and short strings without spaces\n",
+    "- for number in range from -5 to 256"
+   ],
+   "id": "c5aceec3ddf7ec8f"
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2024-11-18T15:01:13.855733Z",
+     "start_time": "2024-11-18T15:01:13.848940Z"
+    }
+   },
+   "cell_type": "code",
+   "source": [
+    "x = [[1, 2], [3, 4]]\n",
+    "\n",
+    "y = x\n",
+    "print(x == y, x is y )"
+   ],
+   "id": "96d804d0b04a667",
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True True\n"
+     ]
+    }
+   ],
+   "execution_count": 2
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2024-11-18T15:01:46.205182Z",
+     "start_time": "2024-11-18T15:01:46.199591Z"
+    }
+   },
+   "cell_type": "code",
+   "source": [
+    "x[0][0] = 42\n",
+    "print(x, y)"
+   ],
+   "id": "7c65c216a371c326",
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "[[42, 2], [3, 4]] [[42, 2], [3, 4]]\n"
+     ]
+    }
+   ],
+   "execution_count": 3
+  },
+  {
+   "metadata": {
+    "ExecuteTime": {
+     "end_time": "2024-11-18T15:25:56.883231Z",
+     "start_time": "2024-11-18T15:25:56.866838Z"
+    }
+   },
+   "cell_type": "code",
+   "source": [
+    "z = x.copy()\n",
+    "print(z == x, z is x)\n",
+    "z[0][0] = 1024\n",
+    "print(x, y, z)\n",
+    "z[0] = [42, 2]\n",
+    "print(x, y, z)\n",
+    "z[-1] = x[0]\n",
+    "x[0][0] = 666\n",
+    "print(x, y, z)"
+   ],
+   "id": "f19b914781970f9d",
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True False\n",
+      "[[1024, 2], [3, 4]] [[1024, 2], [3, 4]] [[1024, 2], [3, 4]]\n",
+      "[[1024, 2], [3, 4]] [[1024, 2], [3, 4]] [[42, 2], [3, 4]]\n",
+      "[[666, 2], [3, 4]] [[666, 2], [3, 4]] [[42, 2], [666, 2]]\n"
+     ]
+    }
+   ],
+   "execution_count": 8
+  },
+  {
+   "metadata": {},
+   "cell_type": "markdown",
+   "source": [
+    "# functions parametrers order :\n",
+    "- 1/positional\n",
+    "- 2/*args -> tuple\n",
+    "- 3/named\n",
+    "- 4/optional / default\n",
+    "- 5/**kwargs -> dictionary"
+   ],
+   "id": "ffedd48e3587e947"
+  },
+  {
+   "metadata": {},
+   "cell_type": "code",
+   "outputs": [],
+   "execution_count": null,
+   "source": "",
+   "id": "beb32861c2e33d67"
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

Functional_Programming/__init__.py

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+<!doctype html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport"
+          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Document</title>
+    <style>
+        @keyframes flicker {
+    0% {
+        text-shadow: 0 0 5px rgba(255,69,0,0.8), 0 0 10px rgba(255,140,0,0.8), 0 0 15px rgba(255,69,0,0.6), 0 0 20px rgba(255,0,0,0.8);
+    }
+    50% {
+        text-shadow: 0 0 15px rgba(255,69,0,1), 0 0 25px rgba(255,140,0,1), 0 0 35px rgba(255,69,0,1), 0 0 45px rgba(255,0,0,1);
+    }
+    100% {
+        text-shadow: 0 0 5px rgba(255,69,0,0.8), 0 0 10px rgba(255,140,0,0.8), 0 0 15px rgba(255,69,0,0.6), 0 0 20px rgba(255,0,0,0.8);
+    }
+}
+        @keyframes wave {
+    0% {
+        transform: translateY(0);
+    }
+    25% {
+        transform: translateY(-5px);
+    }
+    50% {
+        transform: translateY(0);
+    }
+    75% {
+        transform: translateY(5px);
+    }
+    100% {
+        transform: translateY(0);
+    }
+}
+
+@keyframes shimmer {
+    0% {
+        background-position: 0% 50%;
+    }
+    100% {
+        background-position: 100% 50%;
+    }
+}
+
+    </style>
+</head>
+<body>
+<h2 style="color: transparent; background: linear-gradient(to right, #00bfff, #1e90ff, #4682b4, #00bfff); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-size: 2rem; animation: wave 4s infinite linear, shimmer 2s infinite alternate; text-shadow: 0 2px 5px rgba(0, 191, 255, 0.5), 0 -2px 10px rgba(30, 144, 255, 0.7); font-family: 'Arial', sans-serif; ">Bye <C style="">Lech<C/></h2>
+</body>
+</html>

Functional_Programming/app.ipynb

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+def outer_fn():
+    x = 42
+    az = 1024
+
+    # def z():
+    #     return 1024
+
+    def inner_fn():
+        nonlocal x
+        # return f'Answer for all questions : {x}'
+        y = az * 2 + x
+        x += 1
+        # y = x * 2 + z()
+        return y
+
+    return inner_fn
+
+
+result_fn = outer_fn()
+# dunder -> double underscores
+print(result_fn.__closure__[0].cell_contents)
+print(result_fn.__closure__[1].cell_contents)
+
+result = result_fn()
+print(result_fn.__closure__[0].cell_contents)
+print(result_fn.__closure__[1].cell_contents)
+print(result)
+
+
+
+