main.py

#Import modules
import os
import csv

csvPath = os.path.join('Resources/election_data.csv')
txtPath = os.path.join('Analysis/election_results.txt')

#Define variables
totalVotes = 0
candidateVotes = {}
winner = None

with open(csvPath) as csvData:
    
    #CSV reader 
    voteData = csv.DictReader(csvData)
    # print(voteData.fieldnames)
    
    for row in voteData:
        
        candidate = row['Candidate']
        if candidate not in candidateVotes:
            candidateVotes[candidate] = 0
            
        candidateVotes[candidate] = candidateVotes[candidate] + 1
        
        totalVotes = totalVotes + 1

# print(totalVotes)
# print(candidateVotes)

# Locate the winner in the candidateVotes dictionary
for candidate in candidateVotes:
    # print(candidate)
    
    votes = candidateVotes[candidate]
    
    if winner is None or votes > candidateVotes[winner]:
        winner = candidate
    # print(winner)
    
#Generating output of total votes
output = f'''
Election Results
-------------------------
Total Votes: {totalVotes}
-------------------------
'''
  # Khan: 63.000% (2218231)
  # Correy: 20.000% (704200)
  # Li: 14.000% (492940)
  # O'Tooley: 3.000% (105630)
  # -------------------------
  # Winner: Khan
  # -------------------------
  # ```

#Generate list of candidates and vote information        
for candidate in candidateVotes:
    votes = candidateVotes[candidate]  
    percentage = votes / totalVotes
    output += candidate+": "+"{:.3f}".format(percentage*100.)+"% ("+str(votes)+")\n"
    
output += f'''-------------------------
Winner:  {winner}
-------------------------
'''

print(output)
with open(txtPath,"w") as txtFile:
    txtFile.write (output)