Jupyter_notebook_Question_with_Python_code.ipynb

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    "# Hackathon 2.0"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Major Question 1"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 1. Write a program to print the following pattern :\n",
    "\n",
    "<p>*</p>\n",
    "<p>* *</p>\n",
    "<p>* * *</p>\n",
    "<p>* * * *</p>\n",
    "<p>* * *</p>\n",
    "<p>* *</p>\n",
    "<p>*</p>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "*\n",
      "**\n",
      "***\n",
      "****\n",
      "***\n",
      "**\n",
      "*\n"
     ]
    }
   ],
   "source": [
    "# Defining row variable\n",
    "row = 4\n",
    "# Printing first half of pattern\n",
    "for i in range(row):\n",
    "    print(\"*\" * (i + 1))\n",
    "# Printing second half of pattern\n",
    "for i in range(row - 1):\n",
    "    print(\"*\" * (row - i - 1))\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 2. Write a program to accept 5 even and 5 odd numbers from the user and display :\n",
    "- sum of even numbers, \n",
    "- product of odd numbers \n",
    "- absolute difference of the sum and product.\n",
    "\n",
    "Check if the final result (absolute difference) is a prime number or not."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Even numbers: [12, 24, 36, 48, 60]\n",
      "Odd numbers: [13, 39, 65, 91, 117]\n",
      "\n",
      "Sum of even numbers: 180\n",
      "\n",
      "The product of odd numbers: 350871885\n",
      "\n",
      "Absolute difference of the sum and product is 350871705\n",
      "350871705 is not prime\n"
     ]
    }
   ],
   "source": [
    "# Accept 5 even numbers\n",
    "even=[]\n",
    "count=0\n",
    "while count < 5:\n",
    "    num = int(input('Enter an even number: '))\n",
    "    if num % 2==0:\n",
    "        even.append(num)\n",
    "        count += 1\n",
    "    else:\n",
    "        print('Please enter an even number.')\n",
    "print('Even numbers:', even)\n",
    "\n",
    "# Accept 5 odd numbers\n",
    "odd=[]\n",
    "count=0\n",
    "while count < 5:\n",
    "    num=int(input('Enter an odd number: '))\n",
    "    if num % 2!=0:\n",
    "        odd.append(num)\n",
    "        count += 1\n",
    "    else:\n",
    "        print('Please enter an odd number.')\n",
    "print('Odd numbers:', odd)\n",
    "\n",
    "# Sum of even numbers\n",
    "Esum = sum(even)\n",
    "print('\\nSum of even numbers:', Esum)\n",
    "\n",
    "# Calculate product of odd numbers\n",
    "Oproduct = 1\n",
    "for num in odd:\n",
    "    Oproduct *= num\n",
    "print('\\nThe product of odd numbers:', Oproduct)\n",
    "\n",
    "# Absolute difference of the sum and product\n",
    "absolute_diff = abs(Esum - Oproduct)\n",
    "print('\\nAbsolute difference of the sum and product is', absolute_diff)\n",
    "# Checking if num is not prime or prime number\n",
    "for i in range(2,(absolute_diff//2)+1):\n",
    "        if absolute_diff%i==0:\n",
    "            print(absolute_diff,'is not prime')\n",
    "            break\n",
    "else:\n",
    "    print(num,'is prime')\n",
    "\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 3. Create a class named Item that holds data about an item in a retail store. The class should have the following three properties:\n",
    "- name: the name property is a String object that holds the name of the item. \n",
    "- price: the price property is a double variable that holds the item's retail price. \n",
    "- quantity: the quantity property is an int variable that holds the number of units currently in inventory.\n",
    "\n",
    "Write the following four methods to retrieve the values from the three fields and their current inventory value\n",
    "- getName( ) returns the item name of type String \n",
    "- getPrice( ) returns the price of the item of type double \n",
    "- getQuantity( ) returns the number of quantities of type int \n",
    "- getValue( ) that returns the current inventory value (quantity * price) of type double"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Item 1: Stapler, Price: 2.25, Quantity: 15\n",
      "Inventoty Value: Rs.33.75\n",
      "\n",
      "Item 2: Paper, Price: 32.99, Quantity: 255\n",
      "Inventoty Value: Rs.8412.45\n",
      "\n",
      "Item 3: Binder, Price: 4.75, Quantity: 9\n",
      "Inventoty Value: Rs.42.75\n",
      "\n"
     ]
    }
   ],
   "source": [
    "# Creating a class named Item\n",
    "class Item:\n",
    "    def __init__(self, name:str,price:float,quantity:int):\n",
    "        self.name = name\n",
    "        self.price = price\n",
    "        self.quantity = quantity\n",
    "# Creating getName function\n",
    "    def getName(self):       \n",
    "        return self.name\n",
    "# Creating getprice function\n",
    "    def getPrice(self):\n",
    "        return self.price\n",
    "# Creating getQuantity function\n",
    "    def getQuantity(self):\n",
    "        return self.quantity\n",
    "# Creating getValue function\n",
    "    def getValue(self):\n",
    "        return self.quantity * self.price\n",
    "    \n",
    "# Adding data into the Item class\n",
    "item1 = Item(name='Stapler', price=2.25, quantity=15)\n",
    "print(f'Item 1: {item1.getName()}, Price: {item1.getPrice():.2f}, Quantity: {item1.getQuantity()}')\n",
    "print(f'Inventoty Value: {item1.getValue():.2f}\\n')\n",
    "\n",
    "item2 = Item(name='Paper', price=32.99, quantity=255)\n",
    "print(f'Item 2: {item2.getName()}, Price: {item2.getPrice():.2f}, Quantity: {item2.getQuantity()}')\n",
    "print(f'Inventoty Value: {item2.getValue():.2f}\\n')\n",
    "\n",
    "item3 = Item(name=\"Binder\", price=4.75, quantity=9)\n",
    "print(f'Item 3: {item3.getName()}, Price: {item3.getPrice():.2f}, Quantity: {item3.getQuantity()}')\n",
    "print(f'Inventoty Value: {item3.getValue():.2f}\\n')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Major Question 2"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 1. Ask the user number of rows to be generated of a series. Suppose user enters no. of rows = 5 then the series shall be :\n",
    "\n",
    "<p>9</p>\n",
    "<p>99</p>\n",
    "<p>999</p>\n",
    "<p>9999</p>\n",
    "<p>99999</p>"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "9\n",
      "99\n",
      "999\n",
      "9999\n",
      "99999\n"
     ]
    }
   ],
   "source": [
    "# Creating series function\n",
    "def series(rows):\n",
    "    if rows<=0:\n",
    "        print('Please enter a positive number.')\n",
    "    else:\n",
    "        for i in range(1,rows + 1):\n",
    "            print('9'*i)\n",
    "# Get user input for the number of rows   \n",
    "num_rows = int(input('Enter the number of rows: '))\n",
    "# Call the function with user input\n",
    "series(num_rows)\n"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 2. Write a program to accept a number from the user and check whether the number entered is prime or not."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "7 is prime number.\n"
     ]
    }
   ],
   "source": [
    "# Taking user input\n",
    "num=int(input('Enter a number: '))\n",
    "# Applying condition that the num should be greather than 1\n",
    "if num<=1:\n",
    "     print(num,'is not a prime number.')\n",
    "elif num>1:\n",
    "# Loop to check for factors of the number\n",
    "    for i in range(2,(num//2)+1):\n",
    "        # Checking if num is not prime or prime number\n",
    "        if num%i==0:\n",
    "            print(num,'is not prime number.')\n",
    "            break\n",
    "    else:\n",
    "        print(num,'is prime number.')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### 3. Continued from Major Question 1. Write a separate class called Inventory with methods\n",
    "- generate() - creates three Item objects\n",
    "- getDetails() - produces a neatly formatted table of the store's inventory displayingthe three items, their current inventory value, and the total inventory value for thestore."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Item\t\tPrice\tQuantity\tInventory Value\n",
      "==================================================\n",
      "Stapler\t\t2.25\t15\t\t33.75\n",
      "Paper\t\t32.99\t255\t\t8412.45\n",
      "Binder\t\t4.75\t9\t\t42.75\n",
      "\n",
      "Total Inventory Value: 8488.95\n"
     ]
    }
   ],
   "source": [
    "class Inventory:\n",
    "    def __init__(self):\n",
    "        self.items=[]\n",
    "\n",
    "    def generate(self):\n",
    "        # Create and add three Item objects to the list\n",
    "        self.items.append(Item(name='Stapler', price=2.25, quantity=15))\n",
    "        self.items.append(Item(name='Paper', price=32.99, quantity=255))\n",
    "        self.items.append(Item(name='Binder', price=4.75, quantity=9))\n",
    "\n",
    "    def getDetails(self):\n",
    "        # Initialize total_inventory to keep track of the total inventory value\n",
    "        total_inventory=0\n",
    "        # Print table header\n",
    "        print('Item\\t\\tPrice\\tQuantity\\tInventory Value')\n",
    "        print('='*50)\n",
    "        # Iterate over each item in the inventory\n",
    "        for item in self.items:\n",
    "            print(f'{item.getName()}\\t\\t{item.getPrice():.2f}\\t{item.getQuantity()}\\t\\t{item.getValue():.2f}')\n",
    "            total_inventory+=item.getValue()\n",
    "        print('')\n",
    "        print(f'Total Inventory Value: {total_inventory:.2f}')\n",
    "\n",
    "# Creating an instance of Inventory\n",
    "inventory=Inventory()\n",
    "# Generating items\n",
    "inventory.generate()\n",
    "# Getting details of the inventory\n",
    "inventory.getDetails()\n"
   ]
  }
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