01_Elementary_Operations.ipynb

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      "name": "python"
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        "<a href=\"https://colab.research.google.com/github/fmml2021/fmml2021/blob/main/01_Elementary_Operations.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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    {
      "cell_type": "code",
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      "source": [
        "!python --version"
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      "source": [
        "### Elementary operations"
      ]
    },
    {
      "cell_type": "markdown",
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      "source": [
        "#### Basic Calculator Operations\n",
        "\" addition + ,  subtraction  -  , multiplication  *  , division /  ,  exponent ** , modulus  %  , floor division  // \""
      ]
    },
    {
      "cell_type": "code",
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      "source": [
        "3 + 2         # addition"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
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        "id": "sUhkQPuhXbYj"
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      "source": [
        "3 - 2         # subtraction"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
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        "id": "B1gLBI1LXo1m"
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      "source": [
        "5 * 3         # multiplication"
      ],
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      "outputs": []
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      "cell_type": "code",
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        "id": "TwvpedNVXzRc"
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      "source": [
        "7 / 2         # division (always returns a float)"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
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      "source": [
        "type (7 / 2)"
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      "cell_type": "code",
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      "source": [
        "7 // 2        # floor division (returns an integer - discards decimal part)"
      ],
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      "outputs": []
    },
    {
      "cell_type": "code",
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        "id": "2L_ku8CLYKDC"
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      "source": [
        "type ( 7 // 2)"
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      "outputs": []
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      "source": [
        "7 % 2         # modulus operator - remainder is fetched after division"
      ],
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      "outputs": []
    },
    {
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      "source": [
        "7 ** 2        # exponentiation "
      ],
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      "outputs": []
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    {
      "cell_type": "code",
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      "source": [
        "5 - 2 * 2     # operator precedence : (), **, -(unary),  * or /, + or -"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "YOcK-5d5eA39"
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      "source": [
        "# on string variables\n",
        "first_name = 'charlie'\n",
        "second_name = \"chaplin\""
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
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      "source": [
        "first_name + second_name"
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      "outputs": []
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    {
      "cell_type": "code",
      "metadata": {
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      "source": [
        "first_name + ' ' + second_name"
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      "cell_type": "code",
      "metadata": {
        "id": "6Vuv8iMbevRJ"
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      "source": [
        "first_name * 2"
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      "source": [
        "(first_name * 2) + ' ' + (second_name * 3)"
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      "cell_type": "markdown",
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      "source": [
        "### Some exercises..."
      ]
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      "source": [
        "# 1. A brick has dimensions 5 cm x 4 cm x 2 cm. Find volume.\n",
        "brick_length = 5\n",
        "brick_breadth = 4\n",
        "brick_height = 2"
      ],
      "execution_count": null,
      "outputs": []
    },
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      "cell_type": "code",
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      "source": [
        "brick_volume = brick_length * brick_breadth * brick_height\n",
        "print (brick_volume)"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "code",
      "metadata": {
        "id": "S2zZsoBb2z45"
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      "source": [
        "# 2. What will the expression -3 ** 2 evaluate to ?\n"
      ],
      "execution_count": null,
      "outputs": []
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "nPqa-OG28yg_"
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      "source": [
        "*Exercise (do it yourself) :* A litre of petrol costs Rs 102. Your two wheeler gives a mileage of 38 kms per litre of petrol. How much of a distance can you travel with fuel worth Rs 50."
      ]
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    {
      "cell_type": "code",
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      "source": [
        ""
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    {
      "cell_type": "markdown",
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      "source": [
        "#### References"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "KmpvkMmKiVcZ"
      },
      "source": [
        "1. [Python Operators](https://www.w3schools.com/python/python_operators.asp) and [Python Exercises](https://www.w3schools.com/python/exercise.asp)\n",
        "2. [Official Python Documentation](https://docs.python.org/3/tutorial/introduction.html)\n"
      ]
    }
  ]
}