Practice+Exercise+-+Collection_of_variables.ipynb

practice-exercise-collection_of_variables.ipynb

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        "<a href=\"https://colab.research.google.com/gist/JenniferNorthrup/febd23d755a54d54f63524f287c13160/practice-exercise-collection_of_variables.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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      "source": [
        "# **COLLECTION OF VARIABLES**"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
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      "source": [
        "### 1. Create a list of repeated element (element 2, 48 times)"
      ]
    },
    {
      "cell_type": "code",
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          "text": [
            "48\n"
          ]
        }
      ],
      "source": [
        "this_list = [2] * 48\n",
        "print(len(this_list))"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "c4mgN72QXybg"
      },
      "source": [
        "### 2. Print the second element of the list\n",
        "\n",
        "list = [\"apple\",\"orange\",\"grapes\",\"watermelon\"]"
      ]
    },
    {
      "cell_type": "code",
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          "text": [
            "orange\n"
          ]
        }
      ],
      "source": [
        "list = [\"apple\",\"orange\",\"grapes\",\"watermelon\"]\n",
        "print(list[1])"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "vu4fsP3ZXybh"
      },
      "source": [
        "### 3.  Replace the second element of the list with \"strawberries\"\n",
        "list = [\"apple\",\"orange\",\"grapes\",\"watermelon\"]"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 10,
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        "outputId": "fedc0ba3-fa1f-46c6-bf36-866b6779da40"
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      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "['apple', 'strawberries', 'grapes', 'watermelon']\n"
          ]
        }
      ],
      "source": [
        "list[1] = \"strawberries\"\n",
        "print(list)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "66LWC3r2Xybi"
      },
      "source": [
        "### 4. Iterate through the list and print the values"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 11,
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        "outputId": "3003b9d8-3eb8-4d55-d2c0-dc095b03927e"
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      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "apple\n",
            "strawberries\n",
            "grapes\n",
            "watermelon\n"
          ]
        }
      ],
      "source": [
        "for fruit in list:\n",
        "  print(fruit)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "v6DM9__KXybj"
      },
      "source": [
        "### 5. Write a Python code to print squares of all numbers present in a list = [1, 12, 24, 36, 11, 20,50]"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 13,
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        "outputId": "1b21f728-5c09-4d35-ff1a-15d9900562d3"
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      "outputs": [
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          "output_type": "stream",
          "name": "stdout",
          "text": [
            "1\n",
            "144\n",
            "576\n",
            "1296\n",
            "121\n",
            "400\n",
            "2500\n"
          ]
        }
      ],
      "source": [
        "numbers = [1, 12, 24, 36, 11, 20, 50]\n",
        "for number in numbers:\n",
        "  print(number ** 2)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "Z7S_vrl9Xybj"
      },
      "source": [
        "### 6. Pop yellow color from the list below:\n",
        "List=['white','red', 'blue', 'green','blue','yellow', 'black']"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 15,
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      "outputs": [
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          "output_type": "stream",
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          "text": [
            "['white', 'red', 'blue', 'green', 'blue', 'black']\n"
          ]
        }
      ],
      "source": [
        "colors = ['white','red', 'blue', 'green','blue','yellow', 'black']\n",
        "colors.pop(-2)\n",
        "print(colors)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "zP7CJMbkXybk"
      },
      "source": [
        "### 7. Check length of list\n",
        "\n",
        "list=[\"a\",\"b\",\"c\",\"d\",\"e\"]"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 16,
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      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "5\n"
          ]
        }
      ],
      "source": [
        "list=[\"a\",\"b\",\"c\",\"d\",\"e\"]\n",
        "print(len(list))"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "tLSaElmUXybk"
      },
      "source": [
        "###  8. Create a dictionary with the following information:\n",
        "\n",
        "brand = Audi\n",
        "\n",
        "Model = Q2\n",
        "\n",
        "Year = 1980"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 17,
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      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "{'brand': 'Audi', 'Model': 'Q2', 'Year': 1980}\n"
          ]
        }
      ],
      "source": [
        "car = {\n",
        "    \"brand\": \"Audi\",\n",
        "    \"Model\": \"Q2\",\n",
        "    \"Year\": 1980\n",
        "}\n",
        "print(car)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "WcErU8C7Xybl"
      },
      "source": [
        "### 9. In the above dictionary change the year to 2019"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 19,
      "metadata": {
        "colab": {
          "base_uri": "https://localhost:8080/"
        },
        "id": "FHE4p6O_Xybl",
        "outputId": "89b44474-187a-474c-93e4-6bfe7c273010"
      },
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "{'brand': 'Audi', 'Model': 'Q2', 'Year': 2019}\n"
          ]
        }
      ],
      "source": [
        "car[\"Year\"] = 2019\n",
        "print(car)"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {
        "id": "pqc2rAREXybm"
      },
      "source": [
        "### 10. Create a set of following elements\n",
        "\n",
        "1.0, \"Hello\", 55 , (6,7,8)"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": 21,
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      },
      "outputs": [
        {
          "output_type": "stream",
          "name": "stdout",
          "text": [
            "<class 'tuple'>\n",
            "(1.0, 'Hello', 55, (6, 7, 8))\n"
          ]
        }
      ],
      "source": [
        "this_set = (1.0, \"Hello\", 55, (6,7,8))\n",
        "print(type(this_set))\n",
        "print(this_set)"
      ]
    }
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