PyPoll.py

# # What data do we need to retrieve
# # Number of Votes cast
# # A list of candidates who recieved the votes
# # Number of votes each candidate won
# # Percent of votes each candidate won
# # Winner of the Election

# Add our dependencies.
import csv
import os

# Assign a variable to load a file from a path.
file_to_load = os.path.join("Resources", "election_results.csv")
# Assign a variable to save the file to a path.
file_to_save = os.path.join("analysis", "election_analysis.txt")

#initialize a vote counter
total_votes =0

#Candidate Options
candidate_options =[]

#declare a candidate dictionary
candidate_votes ={}

# Winning Candidate and Winning Count Tracker
winning_candidate = ""
winning_count = 0
winning_percentage = 0

# Open the election results and read the file.
with open(file_to_load) as election_data:

    # Read the file object with the reader function.
    file_reader = csv.reader(election_data)
   
    # Read and print the header row.
    headers = next(file_reader)

    # Print each row in the CSV file.
    for row in file_reader:
        #increment total votes counter
        total_votes += 1

        #Print the candidate's names from the rows
        candidate_name = row[2]   

        if candidate_name not in candidate_options:

            #Add the candidate name to the candidate list
            candidate_options.append(candidate_name)

            #track each candidates vote count
            candidate_votes[candidate_name] = 0

        # Add a vote to that candidate's count.
        candidate_votes[candidate_name] += 1

#Save the results to our text file
with open(file_to_save, "w") as txt_file:

    election_results = (
        f"\nElection Results\n"
        f"-------------------------\n"
        f"Total Votes: {total_votes:,}\n"
        f"-------------------------\n")
    print(election_results, end="")
    #Save the final vote count to the text file.
    txt_file.write(election_results)

    # Determine the percentage of votes for each candidate by looping through the counts.
    # Iterate through the candidate list.
    for candidate_name in candidate_votes:
        # Retrieve vote count and precent of a candidate.
        votes = candidate_votes[candidate_name]
        vote_percentage = float(votes) / float(total_votes) * 100
        candidate_results = (f'{candidate_name}: {vote_percentage:.1f}% ({votes:,})\n')

       # print out the winning candidate, vote count and percentage to terminal.  
        print(candidate_results)

        #Save the results to our text file
        txt_file.write(candidate_results)
       
        # Determine winning vote count and candidate
        # Determine if the votes is greater than the winning count.
        if (votes > winning_count) and (vote_percentage > winning_percentage):
            # If true then set winning_count = votes and winning_percent =
            # vote_percentage.
            winning_count = votes
            winning_percentage = vote_percentage
            # And, set the winning_candidate equal to the candidate's name.
            winning_candidate = candidate_name

    winning_candidate_summary = (
        f"-------------------------\n"
        f"Winner: {winning_candidate}\n"
        f"Winning Vote Count: {winning_count:,}\n"
        f"Winning Percentage: {winning_percentage:.1f}%\n"
        f"-------------------------\n")
       
    print(winning_candidate_summary)
       
    # Save the winning candidate's results to the text file.
    txt_file.write(winning_candidate_summary)