{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 1. Populating a dictionary\n",
    "Create a dictionary by using all the given variables."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false
   },
   "outputs": [],
   "source": [
    "first_name = 'John'\n",
    "last_name = 'Doe'\n",
    "favorite_hobby = 'Python'\n",
    "sports_hobby = 'gym'\n",
    "age = 82"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# Your implementation\n",
    "my_dict = "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false
   },
   "outputs": [],
   "source": [
    "assert my_dict == {\n",
    "        'name': 'John Doe',\n",
    "        'age': 82,\n",
    "        'hobbies': ['Python', 'gym']\n",
    "    }"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 2. Accessing and merging dictionaries\n",
    "Combine `dict1`, `dict2`, and `dict3` into `my_dict`. In addition, get the value of `special_key` from `my_dict` into a `special_value` variable. Note that original dictionaries should stay untouched and `special_key` should be removed from `my_dict`."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false
   },
   "outputs": [],
   "source": [
    "dict1 = dict(key1='This is not that hard', key2='Python is still cool')\n",
    "dict2 = {'key1': 123, 'special_key': 'secret'}\n",
    "# This is also a away to initialize a dict (list of tuples) \n",
    "dict3 = dict([('key2', 456), ('keyX', 'X')])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# 'Your impelementation'\n",
    "my_dict = \n",
    "special_value = "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "editable": false
   },
   "outputs": [],
   "source": [
    "assert my_dict == {'key1': 123, 'key2': 456, 'keyX': 'X'}\n",
    "assert special_value == 'secret'\n",
    "\n",
    "# Let's check that the originals are untouched\n",
    "assert dict1 == {\n",
    "        'key1': 'This is not that hard',\n",
    "        'key2': 'Python is still cool'\n",
    "    }\n",
    "assert dict2 == {'key1': 123, 'special_key': 'secret'}\n",
    "assert dict3 == {'key2': 456, 'keyX': 'X'}"
   ]
  }
 ],
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