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Pypoll.py
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Pypoll.py
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# 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 total vote counter.
total_votes = 0
# Candidate options and candidate votes
candidate_options = []
# 1. Declare the empty 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:
file_reader = csv.reader(election_data)
# Read the header row.
headers = next(file_reader)
# Print each row in the CSV file.
for row in file_reader:
# Add to the total vote count.
total_votes += 1
# Print the candidate name from each row.
candidate_name = row[2]
if candidate_name not in candidate_options:
# Add the candidate name to the candidate list.
candidate_options.append(candidate_name)
# 2. Begin tracking that candidate's 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:
# Print the final vote count to the terminal.
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)
# Print the candidate vote dictionary.
#print(candidate_votes)
# Determine the percentage of votes for each candidate by looping through the counts.
# 1. Iterate through the candidate list.
for candidate_name in candidate_votes:
# 2. Retrieve vote count of a candidate.
votes = candidate_votes[candidate_name]
# 3. Calculate the percentage of votes.
vote_percentage = float(votes) / float(total_votes) * 100
# Modify the f-string print statement so the percentage is formatted to one decimal place
# print(f"{candidate_name}: received {float(votes) / float(total_votes) * 100:.1f}% of the vote.")
# To do: print out each candidate's name, vote count, and percentage of
# votes to the terminal.
# Determine winning vote count and candidate
# Determine if the votes is greater than the winning count. If true then set winning_count = votes and winning_percent = vote_percentage.
if (votes > winning_count) and (vote_percentage > winning_percentage):
winning_count = votes
winning_percentage = vote_percentage
# And, set the winning_candidate equal to the candidate's name.
winning_candidate = candidate_name
# To do: print out the winning candidate, vote count and percentage to terminal.
print(f"{candidate_name}: {vote_percentage:.1f}% ({votes:,})\n")
# add each candidate's election results to the election_analysis.txt file
candidate_results = (f"{candidate_name}: {vote_percentage:.1f}% ({votes:,})\n")
# Save the candidate results to our text file.
txt_file.write(candidate_results)
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)