{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {
    "pycharm": {
     "name": "#%% md\n"
    }
   },
   "source": [
    "# Second assignment"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "pycharm": {
     "name": "#%% md\n"
    }
   },
   "source": [
    "## `str.upper()`, `str.lower()`, `str.title()`\n",
    "\n",
    "Fill `____` pieces below to have correct values for `lower_cased`, `upper_cased` and `title_cased` variables."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "pycharm": {
     "name": "#%%\n"
    }
   },
   "outputs": [],
   "source": [
    "original_string = 'Ocademy is so COOL!'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "pycharm": {
     "name": "#%%\n"
    }
   },
   "outputs": [],
   "source": [
    "# Your code here:\n",
    "\n",
    "lower_cased = original_string.____\n",
    "upper_cased = ____.upper()\n",
    "title_cased = ____.____"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "hide_input": false,
    "pycharm": {
     "name": "#%%\n"
    }
   },
   "outputs": [],
   "source": [
    "# Let's verify that the implementation is correct by running the cell below\n",
    "# `assert` will raise `AssertionError` if the statement is not true.\n",
    "assert lower_cased == 'ocademy is so cool!'\n",
    "assert upper_cased == 'OCADEMY IS SO COOL!'\n",
    "assert title_cased == 'Ocademy Is So Cool!'"
   ]
  }
 ],
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