Assignment 1-a.ipynb

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    "## Python Task 3"
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    "### Question: Count Vowels in a String\n",
    "\n",
    "**Description:** Write a function named count_vowels that takes a string as an argument and returns the count of vowels (a, e, i, o, u) in the string. \n",
    "\n",
    "The function should be case-insensitive, counting both uppercase and lowercase vowels.\n"
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    "'''\n",
    "# Example Input:\n",
    "text = \"Hello World\"\n",
    "# Expected Output:\n",
    "3\n",
    "'''\n"
   ]
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     "text": [
      "The number of vowels in 'Hello, World!' is: 3\n"
     ]
    }
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   "source": [
    "def count_vowels(input_string):\n",
    "    # Define a vowels\n",
    "    vowels = {\"a\", \"e\", \"i\", \"o\", \"u\"}\n",
    "    # Convert the input string to lowercase and count the vowels\n",
    "    return sum(1 for char in input_string.lower() if char in vowels)\n",
    "\n",
    "\n",
    "# Usage\n",
    "text = \"Hello, World!\"\n",
    "vowel_count = count_vowels(text)\n",
    "print(f\"The number of vowels in '{text}' is: {vowel_count}\")"
   ]
  },
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Question: Find the Maximum Value in a List Using a Function\n",
    "Description: Write a function named find_max that takes a list of integers as an argument and returns the maximum value in the list. \n",
    "\n",
    "Do not use Python’s built-in max() function. The function should handle cases where the list is empty by returning None.\n"
   ]
  },
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    "'''\n",
    "# Example Input:\n",
    "numbers = [3, 5, 2, 8, 1]\n",
    "# Expected Output:\n",
    "8\n",
    "'''"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The maximum value in the list is: 8\n"
     ]
    }
   ],
   "source": [
    "def find_max(int_list):\n",
    "    # Check if the list is empty\n",
    "    if not int_list:\n",
    "        return None\n",
    "\n",
    "    # Initialize the maximum value with the first element\n",
    "    max_value = int_list[0]\n",
    "\n",
    "    # Iterate through the list to find the maximum value\n",
    "    for num in int_list[1:]:\n",
    "        if num > max_value:\n",
    "            max_value = num\n",
    "\n",
    "    return max_value\n",
    "\n",
    "\n",
    "# Usage\n",
    "example_list = [3, 5, 2, 8, 1]\n",
    "max_value = find_max(example_list)\n",
    "print(f\"The maximum value in the list is: {max_value}\")"
   ]
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   "execution_count": null,
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