PyPoll_Challenge.ipynb

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      "name": "PyPoll_Challenge.ipynb",
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      "source": [
        "<a href=\"https://colab.research.google.com/github/jt-schmidt/Election_Analysis/blob/master/PyPoll_Challenge.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
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      "source": [
        "# Module 3 Challenge -- PyPoll for Jeff Schmidt\n",
        "\n",
        "# Add our dependencies.\n",
        "import csv\n",
        "import os\n",
        "\n",
        "# Assign a variable to load a file from a path.\n",
        "file_to_load = os.path.join(\"election_results.csv\")\n",
        "\n",
        "# Assign a variable to save the file to a path.\n",
        "file_to_save = os.path.join(\"election_analysis.txt\")\n",
        "\n",
        "# Initialize a total vote counter.\n",
        "total_votes = 0\n",
        "\n",
        "# Candidate options and candidate votes.\n",
        "candidate_options = []\n",
        "candidate_votes = {}\n",
        "\n",
        "# 1: Create a county list and county votes dictionary.\n",
        "county_options = []\n",
        "county_votes = {}\n",
        "\n",
        "# Track the winning candidate, vote count, and percentage.\n",
        "winning_candidate = \"\"\n",
        "winning_count = 0\n",
        "winning_percentage = 0\n",
        "\n",
        "# 2: Track the largest county and county voter turnout.\n",
        "largest_county = \"\"\n",
        "largest_county_turnout = 0\n",
        "largest_county_percentage = 0\n",
        "\n",
        "# Open the election results and read the file.\n",
        "with open(file_to_load) as election_data:\n",
        "    file_reader = csv.reader(election_data)\n",
        "\n",
        "    # Read the header row.\n",
        "    headers = next(file_reader)\n",
        "\n",
        "    # Print each row in the CSV file.\n",
        "    for row in file_reader:\n",
        "\n",
        "        # Add to the total vote count.\n",
        "        total_votes += 1\n",
        "                \n",
        "        # Get the candidate name from each row.\n",
        "        candidate_name = row[2]\n",
        "\n",
        "        # 3: Extract the county name from each row.\n",
        "        county_name = row[1]\n",
        "\n",
        "        # If the candidate does not match any existing candidate, add the candidate list.\n",
        "        if candidate_name not in candidate_options:\n",
        "        \n",
        "            # Add the candidate name to the candidate list.\n",
        "            candidate_options.append(candidate_name)\n",
        "        \n",
        "            # And begin tracking that candidate's voter count.\n",
        "            candidate_votes[candidate_name] = 0\n",
        "        \n",
        "        # Add a vote to that candidate's count.\n",
        "        candidate_votes[candidate_name] += 1\n",
        "\n",
        "        # 4a: Write a decision statement that checks that the \n",
        "        # count does not match any existing county in the county\n",
        "        if county_name not in county_options:\n",
        "\n",
        "            # 4b: Add the existing county to the list of counties\n",
        "            county_options.append(county_name)\n",
        "\n",
        "            # 4c: Begin tracking the county's vote count.\n",
        "            county_votes[county_name] = 0\n",
        "\n",
        "        # 5: Add a vote to that county's vote count.\n",
        "        county_votes[county_name] += 1\n",
        "\n",
        "# Save the results to our text file.\n",
        "with open(file_to_save, \"w\") as txt_file:\n",
        "\n",
        "    # Print the final vote count (to terminal)\n",
        "    election_results = (\n",
        "        f\"\\nElection Results\\n\"\n",
        "        f\"-------------------------\\n\"\n",
        "        f\"Total Votes: {total_votes:,}\\n\"\n",
        "        f\"-------------------------\\n\\n\"\n",
        "        f\"County Votes:\\n\")\n",
        "    print(election_results, end=\"\")\n",
        "\n",
        "    txt_file.write(election_results)\n",
        "    # 6a: Write a repetition statement to get the county from the county dictionary.\n",
        "    for county_name in county_votes:\n",
        "\n",
        "        # 6b: Retrieve the county vote count.\n",
        "        votes = county_votes[county_name]\n",
        "        \n",
        "        # 6c: Calculate the percent of total votes for the county.\n",
        "        vote_percentage = float(votes) / float(total_votes) * 100\n",
        "\n",
        "        # 6d: Print the county results to the terminal.\n",
        "        county_results = (\n",
        "            f\"{county_name}: {vote_percentage:.1f}% ({votes:,})\\n\")\n",
        "        print(county_results)\n",
        "\n",
        "        # 6e: Save the county votes to a text file.\n",
        "        txt_file.write(county_results)\n",
        "\n",
        "        # 6f: Write a decision statement to determine the winning county and get its vote count.\n",
        "        if (votes > largest_county_turnout) and (vote_percentage > largest_county_percentage):\n",
        "            largest_county_turnout = votes\n",
        "            largest_county = county_name\n",
        "            largest_county_percentage = vote_percentage\n",
        "\n",
        "    # 7: Print the county with the largest turnout to the terminal.\n",
        "    largest_county_summary = (\n",
        "        f\"-------------------------\\n\"\n",
        "        f\"Largest County: {largest_county}\\n\"\n",
        "        f\"Largest County Turnout: {largest_county_turnout:,}\\n\"\n",
        "        f\"Largest County Turnout Percentage: {largest_county_percentage:.1f}%\\n\"\n",
        "        f\"-------------------------\\n\")\n",
        "    print(largest_county_summary)\n",
        "        \n",
        "    candidate_header = (f\"Candidate Votes:\")\n",
        "    print(candidate_header)\n",
        "\n",
        "    # 8: Save the county with the largest turnout to a text file.\n",
        "    txt_file.write(largest_county_summary)\n",
        "\n",
        "    # Save the final candidate vote count to the text file.\n",
        "    for candidate_name in candidate_votes:\n",
        "\n",
        "        # Retrieve vote count and percentage\n",
        "        votes = candidate_votes.get(candidate_name)\n",
        "        vote_percentage = float(votes) / float(total_votes) * 100\n",
        "        candidate_results = (\n",
        "            f\"{candidate_name}: {vote_percentage:.1f}% ({votes:,})\\n\")\n",
        "\n",
        "        # Print each candidate's voter count and percentage to the\n",
        "        # terminal.\n",
        "        print(candidate_results)\n",
        "        #  Save the candidate results to our text file.\n",
        "        txt_file.write(candidate_results)\n",
        "\n",
        "        # Determine winning vote count, winning percentage, and candidate.\n",
        "        if (votes > winning_count) and (vote_percentage > winning_percentage):\n",
        "            winning_count = votes\n",
        "            winning_candidate = candidate_name\n",
        "            winning_percentage = vote_percentage\n",
        "\n",
        "    # Print the winning candidate (to terminal)\n",
        "    winning_candidate_summary = (\n",
        "        f\"-------------------------\\n\"\n",
        "        f\"Winner: {winning_candidate}\\n\"\n",
        "        f\"Winning Vote Count: {winning_count:,}\\n\"\n",
        "        f\"Winning Percentage: {winning_percentage:.1f}%\\n\"\n",
        "        f\"-------------------------\\n\")\n",
        "    print(winning_candidate_summary)\n",
        "\n",
        "    # Save the winning candidate's name to the text file\n",
        "    txt_file.write(winning_candidate_summary)"
      ],
      "execution_count": 22,
      "outputs": [
        {
          "output_type": "stream",
          "text": [
            "\n",
            "Election Results\n",
            "-------------------------\n",
            "Total Votes: 369,711\n",
            "-------------------------\n",
            "\n",
            "County Votes:\n",
            "Jefferson: 10.5% (38,855)\n",
            "\n",
            "Denver: 82.8% (306,055)\n",
            "\n",
            "Arapahoe: 6.7% (24,801)\n",
            "\n",
            "-------------------------\n",
            "Largest County: Denver\n",
            "Largest County Turnout: 306,055\n",
            "Largest County Turnout Percentage: 82.8%\n",
            "-------------------------\n",
            "\n",
            "Candidate Votes:\n",
            "Charles Casper Stockham: 23.0% (85,213)\n",
            "\n",
            "Diana DeGette: 73.8% (272,892)\n",
            "\n",
            "Raymon Anthony Doane: 3.1% (11,606)\n",
            "\n",
            "-------------------------\n",
            "Winner: Diana DeGette\n",
            "Winning Vote Count: 272,892\n",
            "Winning Percentage: 73.8%\n",
            "-------------------------\n",
            "\n"
          ],
          "name": "stdout"
        }
      ]
    }
  ]
}