{
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    "# Practical course 2\n",
    "\n",
    "## Task 1\n",
    "\n",
    "(Task 1 was not a programming task)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Task 2\n",
    "\n",
    "(Task 2 was not a programming task)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Task 3\n",
    "\n",
    "Your first real task is about asking the user of this notebook certain questions.\n",
    "\n",
    "Prompt the user for the following things and store them in variables. Remember that asking is done with the ``input`` function.\n",
    "\n",
    "- The name\n",
    "- The year of birth\n",
    "- The height in metres (m)\n",
    "\n",
    "Afterwards output the following text on the console in an appropriate way (``print``). Use f-strings for formating because f-strings are cool:\n",
    "\n",
    "- The name\n",
    "- The age (calculated from the year of birth)\n",
    "- The height in cm\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      "How is your name: Gabriel\n",
      "Tell me the year of the birth: 1990\n",
      "How is your height in meters: 1.90\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Your name is Gabriel\n",
      "You are 31 years old\n",
      "Your height is 190.0 cm\n"
     ]
    }
   ],
   "source": [
    "name = input(\"How is your name:\")\n",
    "# Casted to int because input returns a string\n",
    "year = int(input(\"Tell me the year of the birth:\"))\n",
    "# Casted to float because the height is a floating point number\n",
    "height = float(input(\"How is your height in meters:\"))\n",
    "\n",
    "age = 2021 - int(year)\n",
    "height_cm = height * 100\n",
    "\n",
    "print(f\"Your name is {name}\")\n",
    "print(f\"You are {age} years old\")\n",
    "print(f\"Your height is {height_cm} cm\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Task 4\n",
    "\n",
    "Let the user input a number and then output certain properties about the number.\n",
    "\n",
    "Using the ``if`` condition, check the following properties of the number and output an appropriate text on the console.\n",
    "\n",
    "1. Output a text when the number is _odd_\n",
    "2. Output a text depending on the following conditions (``if-else``):\n",
    "    - Positive\n",
    "    - Is zero\n",
    "    - Negative\n",
    "3. Output a text when the number is divisible by 3 without remainder\n",
    "4. Output a text depending on the following conditions (``if-else``):\n",
    "    - The number has one digit\n",
    "    - The number has two digits\n",
    "5. Output a text if the number is 42. :)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      "Tell me an integer:  -1\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The number is odd\n",
      "Negative\n",
      "1 digit\n"
     ]
    }
   ],
   "source": [
    "number = int(input(\"Tell me an integer: \"))\n",
    "\n",
    "# 1.\n",
    "if number % 2:\n",
    "    print(\"The number is odd\")\n",
    "\n",
    "# 2.\n",
    "if number > 0:\n",
    "    print(\"Positive\")\n",
    "elif number == 0:\n",
    "    print(\"Is zero\")\n",
    "else:\n",
    "    # When a number is neither positive nor 0 it must be negative\n",
    "    print(\"Negative\")\n",
    "\n",
    "# 3.\n",
    "if number % 3 == 0:\n",
    "    print(\"Divisible by 3\")\n",
    "\n",
    "# 4.\n",
    "# I use the built-in function abs here which converts a negative in a positive number\n",
    "pos = abs(number)\n",
    "if pos >= 0 and pos <= 9:\n",
    "    print(\"1 digit\")\n",
    "elif pos >= 10 and pos <= 99:\n",
    "    print(\"2 digits\")\n",
    "\n",
    "# 5.\n",
    "if number == 42:\n",
    "    print(\"The Answer to everything\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Task 5\n",
    "\n",
    "1. Ask the user for a name and then greet the user (``Hello [NAME]``).\n",
    "2. If the name is equal to your first name, say something like ``That name is nice!``\n",
    "3. Insert the following code before the output of ``Hello [NAME]``:\n",
    "\n",
    "Since names begin with an uppercase letter, the program should now check if the name begins with a lowercase letter and print an error message in that case.\n",
    "\n",
    "Please research in the internet how to check in Python whether is string is lowercase. You can use the Python reference <https://docs.python.org/3/library/stdtypes.html#str> or any search engine for it."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "name": "stdin",
     "output_type": "stream",
     "text": [
      "Tell me your name:  gab\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hello gab\n",
      "This is not a name!\n"
     ]
    }
   ],
   "source": [
    "# 1.\n",
    "name = input(\"Tell me your name: \")\n",
    "print(f\"Hello {name}\")\n",
    "\n",
    "# 3.\n",
    "# The first check prevents that name[0] gives a value error for empty inputs\n",
    "if len(name) == 0 or name[0].islower():\n",
    "    print(\"This is not a name!\")\n",
    "\n",
    "# 2.\n",
    "# Replace Gabriel with your name\n",
    "if name == \"Gabriel\":\n",
    "    print(\"That name is nice!\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Task 6\n",
    "\n",
    "(No solution yet, this task was moved to the upcoming seminar)"
   ]
  }
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