Group 1

Group_1/Group_1 code.ipynb

@@ -0,0 +1,134 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "eb88a92a",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import cmath"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "3c13341c",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "a = float(input(\"Enter cofficient of a \"))\n",
+    "b = float(input(\"Enter cofficient of b \"))\n",
+    "c = float(input(\"Enter cofficient of c \"))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "id": "7cd822f7",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "d = b**2 - 4*a*c"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "id": "c5c831ad",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "root1 = (- b + cmath.sqrt (d) / 2*a)\n",
+    "root2 = (- b - cmath.sqrt (d) / 2*a)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "5b5d555a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "The root is complex\n",
+      "X1 =  (-2+1.4142135623730951j)\n",
+      "X1 =  (-2+1.4142135623730951j)\n"
+     ]
+    }
+   ],
+   "source": [
+    "if d >= 0:\n",
+    "    print(\"The root is real\")\n",
+    "    print(\"X1 = \", root1.real)\n",
+    "    print(\"X1 = \", root1.real)\n",
+    "else :\n",
+    "    print(\"The root is complex\")\n",
+    "    print(\"X1 = \", root1)\n",
+    "    print(\"X1 = \", root1)    "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "c027991b",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pytest\n",
+    "import cmath\n",
+    "\n",
+    "def solve_quadratic(a, b, c):\n",
+    "    if a == 0:\n",
+    "        raise ValueError(\"Cofficient 'a' can not be 0\")\n",
+    "    d = b**2 - 4*a*c\n",
+    "    root1 = (-b + cmath.sqrt(d)) / (2*a)\n",
+    "    root2 = (-b - cmath.sqrt(d)) / (2*a)\n",
+    "    return d, root1, root2\n",
+    "\n",
+    "def test_real_roots():\n",
+    "    a, b, c = 1, -3, 2  # roots: 2 and 1\n",
+    "    d, root1, root2 = solve_quadratic(a, b, c)\n",
+    "    assert d == 1\n",
+    "    assert root1.real == 2\n",
+    "    assert root2.real == 1\n",
+    "    assert root1.imag == 0\n",
+    "    assert root2.imag == 0\n",
+    "\n",
+    "def test_complex_roots():\n",
+    "    a, b, c = 1, 2, 3  # roots: complex\n",
+    "    d, root1, root2 = solve_quadratic(a, b, c)\n",
+    "    assert d == -8\n",
+    "    assert root1 == complex(-1, cmath.sqrt(8).real/2)\n",
+    "    assert root2 == complex(-1, -cmath.sqrt(8).real/2)\n",
+    "\n",
+    "def test_a_zero():\n",
+    "    with pytest.raises(ValueError):\n",
+    "        solve_quadratic(0, 2, 3)"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.13.7"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}