Finished
11def tally(rows):
2 pass
2 # Initialize dictionary to store team statistics
3 teams = {}
4
5 # Process each match result
6 for row in rows:
7 if not row.strip():
8 continue
9
10 parts = row.strip().split(';')
11 if len(parts) != 3:
12 continue
13
14 team1, team2, result = [part.strip() for part in parts]
15
16 # Validate result
17 if result not in ['win', 'loss', 'draw']:
18 continue
19
20 # Ensure both teams exist in the dictionary
21 if team1 not in teams:
22 teams[team1] = {'MP': 0, 'W': 0, 'D': 0, 'L': 0, 'P': 0}
23 if team2 not in teams:
24 teams[team2] = {'MP': 0, 'W': 0, 'D': 0, 'L': 0, 'P': 0}
25
26 # Update match played count for both teams
27 teams[team1]['MP'] += 1
28 teams[team2]['MP'] += 1
29
30 # Update statistics based on result
31 if result == 'win':
32 teams[team1]['W'] += 1
33 teams[team1]['P'] += 3
34 teams[team2]['L'] += 1
35 elif result == 'loss':
36 teams[team1]['L'] += 1
37 teams[team2]['W'] += 1
38 teams[team2]['P'] += 3
39 elif result == 'draw':
40 teams[team1]['D'] += 1
41 teams[team1]['P'] += 1
42 teams[team2]['D'] += 1
43 teams[team2]['P'] += 1
44
45 # Edge Case: Empty input - return header only
46 if not teams:
47 return ["Team | MP | W | D | L | P"]
48
49 # Sort teams by points (descending) and then by name (ascending)
50 sorted_teams = sorted(teams.items(), key=lambda x: (-x[1]['P'], x[0]))
51
52 # Format the output
53 result_table = ["Team | MP | W | D | L | P"]
54
55 for team_name, stats in sorted_teams:
56 line = f"{team_name:<30} | {stats['MP']:>2} | {stats['W']:>2} | {stats['D']:>2} | {stats['L']:>2} | {stats['P']:>2}"
57 result_table.append(line)
58
59 return result_table
60# Handled Edge Cases: Empty input, invalid match format, proper sorting by points and team name
Test NameStatus
test_a_different_team_can_win
Pass
test_a_draw_is_one_point_each
Pass
test_a_win_can_also_be_expressed_as_a_loss
Pass
test_a_win_is_three_points_a_loss_is_zero_points
Pass
test_ensure_points_sorted_numerically
Pass
test_incomplete_competition_not_all_pairs_have_played
Pass
test_just_the_header_if_no_input
Pass
test_there_can_be_more_than_one_match
Pass
test_there_can_be_more_than_one_winner
Pass
test_there_can_be_more_than_two_teams
Pass
test_ties_broken_alphabetically
Pass
test_typical_input
Pass

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