{
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   "source": [
    "# SW03 Class repetition and programming  \n",
    "\n",
    "This file is intended for interactive revision in the first hour of class. You write directly in the lines of code."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## if elif else  \n",
    "Programming conditions\n",
    "\n",
    "Write a short Python program that checks whether the input password is \"1234\" and outputs \"correct\" on the console. If the wrong password was entered, \"wrong\" appears on the console."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "enter your password:  1\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Wrong, you have 2 left\n"
     ]
    }
   ],
   "source": [
    "condition = True\n",
    "PSW = \"1234\"\n",
    "\n",
    "x = input(\"enter your password: \")\n",
    "att = 0\n",
    "\n",
    "while condition and att <= 3:\n",
    "    if x != PSW:\n",
    "        att =+ 1\n",
    "        print(f\"Wrong, you have {3-att} left\")\n",
    "        break\n",
    "    else:\n",
    "        print(\"Correct\")\n",
    "        break"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Calculate BMI  \n",
    "\n",
    "The BMI is a simple measure for classifying body weight. Simply put:\n",
    "\n",
    "- <= 18.5 underweight\n",
    "- <= 25 normal weight\n",
    "- <= 30 overweight\n",
    "- \\> 30 Obesity\n",
    "\n",
    "Write the code that calculates the BMI from the following variables, outputs it and the classification. E.g. ***BMI 24.4 - normal weight***\n",
    "\n",
    "```python\n",
    "weight = 79\n",
    "height = 1.80\n",
    "```\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 82,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Enter your weight:  80\n",
      "Enter your high:  1.80\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "BMI 24.0 - normal weight\n"
     ]
    }
   ],
   "source": [
    "w = float(input(\"Enter your weight: \"))\n",
    "h = float(input(\"Enter your high: \"))\n",
    "\n",
    "if h > 3:\n",
    "    h = h/100\n",
    "else:\n",
    "    h\n",
    "\n",
    "BMI = int(w/(h**2))\n",
    "\n",
    "while True:\n",
    "    if BMI <= 18.5:\n",
    "        print(f\"BMI {BMI:.1f} - underweith\")\n",
    "        break\n",
    "    \n",
    "    elif 18.5 < BMI <= 25:\n",
    "        print(f\"BMI {BMI:.1f} - normal weight\")\n",
    "        break\n",
    "        \n",
    "    elif 25 < BMI == 30:\n",
    "        print(f\"BMI {BMI:.1f} - overweight\")\n",
    "        break\n",
    "        \n",
    "    else:\n",
    "        print(f\"BMI {BMI:.1f} - obesity\")\n",
    "        break"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Sum up numbers  \n",
    "\n",
    "Write a program that reads 5 numbers, sums them up and finally outputs the sum of the integers on the console\n",
    "\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 71,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Write the 1st number: 5\n",
      "Write the 2nd number: 4\n",
      "Write the 3rd number: 7\n",
      "Write the 4th number: 5\n",
      "Write the 5th number: 7\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "28\n"
     ]
    }
   ],
   "source": [
    "# With 5 variables --> D.R.Y.\n",
    "\n",
    "n1 = float(input(\"Write the 1st number:\" ))\n",
    "n2 = float(input(\"Write the 2nd number:\" ))\n",
    "n3 = float(input(\"Write the 3rd number:\" ))\n",
    "n4 = float(input(\"Write the 4th number:\" ))\n",
    "n5 = float(input(\"Write the 5th number:\" ))\n",
    "\n",
    "while True:\n",
    "    a = (n1,n2,n3,n4,n5)\n",
    "    print(int(sum(a)))\n",
    "    break"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 79,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Write a number: 864\n",
      "Write a number: 87654\n",
      "Write a number: 765\n",
      "Write a number: 765\n",
      "Write a number: 876\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The sum is 90924.0\n"
     ]
    }
   ],
   "source": [
    "# With 1 variable\n",
    "\n",
    "n1 = 0\n",
    "counter = 0\n",
    "\n",
    "while True:\n",
    "    counter += 1\n",
    "    n1 += float(input(\"Write a number:\" ))\n",
    "\n",
    "    if counter == 5:\n",
    "        break\n",
    "\n",
    "print(f\"The sum is {n1}\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Fizzbuzz  \n",
    "\n",
    "Program FizzBuzz:\n",
    "\n",
    "We want to write a program that counts from **0 to 100** and outputs these numbers. However, we want:\n",
    "- Whenever a number is **divisible by 3**, print **Fizz** instead\n",
    "- Whenever a number is **divisible by 5**, print **Buzz** instead.\n",
    "- Whenever a number is **divisible by 3 and 5**, print **FizzBuzz**."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n",
      "2\n",
      "Fizz\n",
      "4\n",
      "Buzz\n",
      "Fizz\n",
      "7\n",
      "8\n",
      "Fizz\n",
      "Buzz\n",
      "11\n",
      "Fizz\n",
      "13\n",
      "14\n",
      "FizzBuz\n",
      "16\n",
      "17\n",
      "Fizz\n",
      "19\n",
      "Buzz\n",
      "Fizz\n",
      "22\n",
      "23\n",
      "Fizz\n",
      "Buzz\n",
      "26\n",
      "Fizz\n",
      "28\n",
      "29\n",
      "FizzBuz\n",
      "31\n",
      "32\n",
      "Fizz\n",
      "34\n",
      "Buzz\n",
      "Fizz\n",
      "37\n",
      "38\n",
      "Fizz\n",
      "Buzz\n",
      "41\n",
      "Fizz\n",
      "43\n",
      "44\n",
      "FizzBuz\n",
      "46\n",
      "47\n",
      "Fizz\n",
      "49\n",
      "Buzz\n",
      "Fizz\n",
      "52\n",
      "53\n",
      "Fizz\n",
      "Buzz\n",
      "56\n",
      "Fizz\n",
      "58\n",
      "59\n",
      "FizzBuz\n",
      "61\n",
      "62\n",
      "Fizz\n",
      "64\n",
      "Buzz\n",
      "Fizz\n",
      "67\n",
      "68\n",
      "Fizz\n",
      "Buzz\n",
      "71\n",
      "Fizz\n",
      "73\n",
      "74\n",
      "FizzBuz\n",
      "76\n",
      "77\n",
      "Fizz\n",
      "79\n",
      "Buzz\n",
      "Fizz\n",
      "82\n",
      "83\n",
      "Fizz\n",
      "Buzz\n",
      "86\n",
      "Fizz\n",
      "88\n",
      "89\n",
      "FizzBuz\n",
      "91\n",
      "92\n",
      "Fizz\n",
      "94\n",
      "Buzz\n",
      "Fizz\n",
      "97\n",
      "98\n",
      "Fizz\n",
      "Buzz\n"
     ]
    }
   ],
   "source": [
    "x = 0\n",
    "while x < 100:\n",
    "    x += 1\n",
    "\n",
    "    if x % 3 == 0 and x % 5 == 0:\n",
    "        print(\"FizzBuz\")\n",
    "\n",
    "    elif x % 3 == 0:\n",
    "        print(\"Fizz\")\n",
    "\n",
    "    elif x % 5 == 0:\n",
    "        print(\"Buzz\")\n",
    "\n",
    "    else:\n",
    "        print(x)"
   ]
  }
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