{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Grader\n",
    "\n",
    "**Note:** These grading exercises are being validated against the `test_challenge` in the grading service."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Using markdown cells\n",
    "\n",
    "\n",
    "The following examples use the `q-code-exercise` syntax in a markdown cell with `grader-import` and `grader-function` attributes:\n",
    "\n",
    "\n",
    "<!-- ::: q-code-exercise(grader-import=\"from qc_grader.challenges.test_challenge import grade_ex1c\" grader-function=\"grade_ex1c(prime_num)\" goal=\"widgets-grader-md-1\") -->\n",
    "\n",
    "```python\n",
    "# set variable to a prime number\n",
    "\n",
    "prime_num = 317\n",
    "\n",
    "```\n",
    "\n",
    "<!-- ::: -->\n",
    "\n",
    "\n",
    "\n",
    "<!-- ::: q-code-exercise(grader-import=\"from qc_grader.challenges.test_challenge import grade_ex2a\" grader-function=\"grade_ex2a(qc)\" goal=\"widgets-grader-md-2\") -->\n",
    "\n",
    "```python\n",
    "from qiskit import QuantumCircuit\n",
    "\n",
    "qc = QuantumCircuit(2)\n",
    "\n",
    "qc.x(0)  # Do X-gate on qubit 0\n",
    "qc.y(1)  # Do Y-gate on qubit 1\n",
    "qc.z(1)  # Do Z-gate on qubit 1\n",
    "\n",
    "qc.draw()\n",
    "```\n",
    "\n",
    "<!-- ::: -->"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The following examples use the `q-code-exercise` syntax in a markdown cell with `grader-id` and `grader-answer` attributes\n",
    "\n",
    "\n",
    "<!-- ::: q-code-exercise(grader-id=\"test_challenge/test-vowels\" grader-answer=\"vowels\" goal=\"widgets-grader-md-3\") -->\n",
    "\n",
    "```python\n",
    "# set variable to a string of vowels\n",
    "\n",
    "vowels = 'aeauioo'\n",
    "\n",
    "```\n",
    "\n",
    "<!-- ::: -->\n",
    "\n",
    "\n",
    "\n",
    "<!-- ::: q-code-exercise(grader-id=\"test_challenge/test-circuit\" grader-answer=\"qc\" goal=\"widgets-grader-md-4\") -->\n",
    "\n",
    "```python\n",
    "from qiskit import QuantumCircuit\n",
    "\n",
    "qc = QuantumCircuit(2)\n",
    "\n",
    "qc.x(0)  # Do X-gate on qubit 0\n",
    "qc.y(1)  # Do Y-gate on qubit 1\n",
    "qc.z(1)  # Do Z-gate on qubit 1\n",
    "\n",
    "qc.draw()\n",
    "```\n",
    "\n",
    "<!-- ::: -->\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Using code cells\n",
    "\n",
    "The following examples use a code cell with `grader_import` and `grader_function` in the cell metadata\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "goals": [
     {
      "id": "widgets-grader-cell-1"
     }
    ],
    "grader_function": "grade_ex1d(vowels2)",
    "grader_import": "from qc_grader.challenges.test_challenge import grade_ex1d"
   },
   "outputs": [],
   "source": [
    "# set variable to a string of vowels\n",
    "\n",
    "vowels2 = 'uieaoeauio'\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "goals": [
     {
      "id": "widgets-grader-cell-2"
     }
    ],
    "grader_function": "grade_ex2a(qc2)",
    "grader_import": "from qc_grader.challenges.test_challenge import grade_ex2a"
   },
   "outputs": [],
   "source": [
    "from qiskit import QuantumCircuit\n",
    "\n",
    "qc2 = QuantumCircuit(2)\n",
    "\n",
    "qc2.x(0)  # Do X-gate on qubit 0\n",
    "qc2.y(1)  # Do Y-gate on qubit 1\n",
    "qc2.z(1)  # Do Z-gate on qubit 1\n",
    "\n",
    "qc2.draw()\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The following examples use a code cell with `grader_id` and `grader_answer` in the cell metadata\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "goals": [
     {
      "id": "widgets-grader-cell-3"
     }
    ],
    "grader_answer": "prime_num_2",
    "grader_id": "test_challenge/test-prime"
   },
   "outputs": [],
   "source": [
    "# set variable to a prime number\n",
    "\n",
    "prime_num_2 = 29\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "goals": [
     {
      "id": "widgets-grader-cell-4"
     }
    ],
    "grader_answer": "qc2",
    "grader_id": "test_challenge/test-circuit"
   },
   "outputs": [],
   "source": [
    "from qiskit import QuantumCircuit\n",
    "\n",
    "qc2 = QuantumCircuit(2)\n",
    "\n",
    "qc2.x(0)  # Do X-gate on qubit 0\n",
    "qc2.y(1)  # Do Y-gate on qubit 1\n",
    "qc2.z(1)  # Do Z-gate on qubit 1\n",
    "\n",
    "qc2.draw()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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