Merge branch 'JVBranch' into 'main'

Adding Pointers

See merge request CMSE/data_science_bridge_curriculum!5

References.ipynb

+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 32,
+   "id": "fc73d74c",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "('answercheck.py', <http.client.HTTPMessage at 0x7fc9a8612220>)"
+      ]
+     },
+     "execution_count": 32,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "##ANSWER##\n",
+    "#Install answercheck in current director\n",
+    "from urllib.request import urlretrieve\n",
+    "urlretrieve('https://raw.githubusercontent.com/colbrydi/jupytercheck/master/answercheck.py', filename='answercheck.py')\n",
+    "##ANSWER##"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "3c2a4f39",
+   "metadata": {},
+   "source": [
+    "# References\n",
+    "Understanding References and their purpose "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "2b78245b",
+   "metadata": {},
+   "source": [
+    "Understanding the Reference: \n",
+    "![Captain America Meme - Image found in Google Images from Know Your Meme](https://i.kym-cdn.com/entries/icons/mobile/000/017/204/CaptainAmerica1_zps8c295f96.jpg)\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "71e867d9",
+   "metadata": {},
+   "source": [
+    "## Description\n",
+    "A reference variable is an alias, that is, another name for an already existing variable. Think of a variable name as a label attached to the variable's location in memory. You can then think of a reference as a second label attached to that memory location. Therefore, you can access the contents of the variable through either the original variable name or the reference.\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "89c2fa92",
+   "metadata": {},
+   "source": [
+    "## Learning Goals"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "58ec20e8",
+   "metadata": {},
+   "source": [
+    "## Self Assessment\n",
+    "\n",
+    "Questions that test for the learning goals and allows students to evaluate if they truly understand the topics."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "0234bfdc",
+   "metadata": {},
+   "source": [
+    "&#9989; **<span style=\"color:red\">Question:</span>**  Based on the code below what will be the output of the variable meal:\n",
+    "\n",
+    "    string food = \"Pizza\";\n",
+    "    string &meal = food; \n",
+    "\n",
+    "    cout << meal;\n",
+    "\n",
+    "1. \"Pizza\"\n",
+    "2. \"food\"\n",
+    "3. nothing\n",
+    "4. error"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d030f312",
+   "metadata": {},
+   "source": [
+    "&#9989; **<span style=\"color:red\">Question:</span>**  Based on the code below, what should be done to change the value of the variable GPA without changing the variable directly:\n",
+    "\n",
+    "    #include <iostream>\n",
+    "    int main(){\n",
+    "        double GPA = 3.14;\n",
+    "        std::cout << \"My GPA is: \" << GPA;\n",
+    "        }\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "daaf2d04",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#Put your answer here"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "5d237ca9",
+   "metadata": {},
+   "source": [
+    "## Training Materials\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "21f9b14e",
+   "metadata": {},
+   "source": [
+    "Reference Variable In C++ in 6 minutes (https://youtu.be/NGKt3Xwlobg)\n",
+    "\n",
+    "References Materials (https://www.w3schools.com/cpp/cpp_references.asp)\n",
+    "\n",
+    "References Material (https://www.tutorialspoint.com/cplusplus/cpp_references.htm)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 30,
+   "id": "9cc2b34a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "CheckWarning: passed variable is <class 'int'> and not a numpy.matrix.\n",
+      "    Trying to convert to a array matrix using ```A = np.matrix(A)```.\n",
+      "\n",
+      "\n",
+      "CheckWarning: passed matrix is int64 and not <class 'numpy.float64'>...\n",
+      "    Trying to convert to float using ```A = A.astype(float)```.\n",
+      "\n",
+      "Testing [[4.]]\n",
+      "Answer seems to be correct\n",
+      "\n"
+     ]
+    }
+   ],
+   "source": [
+    "from answercheck import checkanswer\n",
+    "checkanswer.vector(x,'2cab95d1b144d663bad1ce5c51020ae0')"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "44b461a0",
+   "metadata": {},
+   "source": [
+    "---\n",
+    "\n",
+    "Written by <<YOUR NAME HERE>>, Michigan State University  \n",
+    "As part of the Data Science Bridge Project \n",
+    "    \n",
+    "<a rel=\"license\" href=\"http://creativecommons.org/licenses/by-nc/4.0/\"><img alt=\"Creative Commons License\" style=\"border-width:0\" src=\"https://i.creativecommons.org/l/by-nc/4.0/88x31.png\" /></a><br />This work is licensed under a <a rel=\"license\" href=\"http://creativecommons.org/licenses/by-nc/4.0/\">Creative Commons Attribution-NonCommercial 4.0 International License</a>."
+   ]
+  }
+ ],
+ "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": "3.8.8"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}