Algorithm Proposition | Python Fiddle

# arfi.chazyl[at]gmail.com
# Raw Votes
# The user with no Bonus at all give 25 or 75 points to a participation , of course he will automatically give positive vote to himself on his own participation submission
# 
# Bonus Altered Votes
# 
# Score calculation

import math

def raw_results_calculate(candidates):
    candidates_results = {}

for candidate in candidates:
        nbVotes = 0
        totalScore = 0
        for vote in candidates[candidate]:
            nbVotes += 1
            totalScore += vote
            candidates_results[candidate] = {"votes": nbVotes, "score": totalScore}
    return candidates_results

def bonus_results_calculate(raw_results,profile_bonus):
    candidates_results = {}
    score = 0

for candidate in raw_results:
        candidate_bonus = 0
        for bonus in profile_bonus[candidate]:
            candidate_bonus += bonus
        score = (raw_results[candidate]["votes"]-1)*50 # we multiply the number of votes by 50 to make contributions with more votes have more chances to win
        score += raw_results[candidate]["score"] # we add the raw score of the candidate
        score += (score * candidate_bonus ) / 100 # we add the bonus of the user to make regular and trusted users have more chances to win
        candidates_results[candidate] = score
    return candidates_results

def displayable_results_calculate(displayable_results):
    candidates_results = {}
    score = 0

for candidate in displayable_results:
        score = displayable_results[candidate]
        score = math.log(score,1000)# we apply a log base 1000 to the score
        score = score * 1000 # we multiply by 1000 to make the score prettier
        score = round(score)
        candidates_results[candidate] = score
    return candidates_results

candidates = {
    'Ahmed': [75, 25, 75, 25, 75, 75, 75],#This user received votes only from user without bonus
    'Ali': [75,13, 16, 22, 75, 25, 75, 75, 36, 90, 100],
    'Amel': [75,25, 78, 82, 22, 13, 10, 81],
    'Ahlem': [75,13, 6, 78, 90, 80, 79, 82, 12, 14, 84, 78],
    'Sawsen': [75,22, 25, 75, 88, 90, 19, 5],
    'Jamil': [75,13, 12, 5, 25, 25, 75, 25, 80, 75, 75, 25, 25],
    'guest': [75] # no one voted for guest except him
}

profile_bonus = {
    'Ahmed': [12,10],#the profile bonus can be at max 12.5 + 12.5 = 25 and give 25% advantage at max when voting and when participating
    'Ali': [5,7],
    'Amel': [10,2],
    'Ahlem': [5,6],
    'Sawsen': [0,0],
    'Jamil': [0,0],
    'guest': [0,0]
}
raw_results = raw_results_calculate(candidates)
bonus_results = bonus_results_calculate(raw_results,profile_bonus)
displayable_results = displayable_results_calculate(bonus_results)

print("Raw scores")
print(raw_results)
print("")
print("")
print("Bonus altered scores")
print(bonus_results)
print("")
print("")
print("Prettier displayable results Logarithm based and multiplied")
print(displayable_results)
print("")
print("")
print("Winners are")
print(sorted(bonus_results))

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