def read_ballots(fname):
    with open(fname) as f:
        data = f.read().splitlines()
    f.close()
    ballots = []
    for datum in data:
        ballot = datum.split(",")
        ballots.append(ballot)
    return ballots

bs = read_ballots("in.txt")
print(bs)

[['Red', 'Green'], ['Blue'], ['Green', 'Red', 'Blue'], ['Blue', 'Green', 'Red'], ['Green']]

def find_candidates(ballots):
    candidates = []
    for ballot in ballots:
        for candidate in ballot:
            if candidate not in candidates:
                candidates.append(candidate)
    return candidates

cs = find_candidates(bs)
print(cs)

['Red', 'Green', 'Blue']

def find_rank(cname,ballots):
    count = 0
    for ballot in ballots:
        if ballot[0] == cname:
            count = count + 1
    return count

def find_ranks(candidates,ballots):
    ranks = []
    for candidate in candidates:
        rank = find_rank(candidate,ballots)
        ranks.append((rank,candidate))
    return ranks

def find_candidates_with_least_first_place_votes(ranks):
    sorted_ranks = sorted(ranks)
    least_votes = sorted_ranks[0][0]
    result = []
    for rank in ranks:
        if rank[0] == least_votes:
            result.append(rank[1])
    return result

print(find_rank("Blue",bs))

2

ranks = find_ranks(cs,bs)
print(ranks)

[(1, 'Red'), (2, 'Green'), (2, 'Blue')]

cs_to_eliminate = find_candidates_with_least_first_place_votes(ranks)
print(cs_to_eliminate)

['Red']

def eliminate_candidate_from_candidates(cname,candidates):
    result = []
    for candidate in candidates:
        if candidate != cname:
            result.append(candidate)
    return result

print(eliminate_candidate_from_candidates("Brie",cs))

['Red', 'Green', 'Blue']

import sys
def main():
    ballots = read_ballots(sys.argv[1])
    candidates = find_candidates(ballots)
    while True:
        # find candidates to eliminate
        # eliminate them
        if len(candidates) == 1:
            # do something
            break
        elif len(candidates) == 0:
            # do something
            break
        else:
            continue

main()

xs = [10,20,15,90,60]
xs.sort()
print(xs)

[10, 15, 20, 60, 90]

ys = [10,20,15,90,60]
sorted_ys = sorted(ys)
print(ys)
print(sorted_ys)

[10, 20, 15, 90, 60]
[10, 15, 20, 60, 90]

first_place = [(2,"G"),(2,"B"),(2,"R")]
result = sorted(first_place)
print(result)

[(2, 'B'), (2, 'G'), (2, 'R')]

first_place = [("G",3),("B",4),("R",2)]
result = sorted(first_place)
print(result)

[('B', 4), ('G', 3), ('R', 2)]

xs = [10,30,20]
ys = xs
ys.sort()
print(xs)
print(ys)

[10, 20, 30]
[10, 20, 30]