CMU Coding Bootcamp
thecoded.prof
1from typing import List, Tuple
2
3
4def topScorer(data: str) -> str | None:
5 """Return the name(s) of the student(s) with the highest total score."""
6 lines = [line for line in map(lambda line: line.strip(), data.split("\n")) if line]
7 max_score: List[Tuple[str, int]] = []
8 for line in lines:
9 name, *scores = line.split(",")
10 scores = list(map(int, scores))
11 if not scores:
12 max_score.append((name, 0))
13 else:
14 max_score.append((name, sum(scores)))
15 max_score.sort(key=lambda x: x[1], reverse=True)
16 if not max_score:
17 return None
18 names = [name for name, score in max_score if score == max_score[0][1]]
19 return ",".join(names)
20
21
22print("Testing topScorer()...", end="")
23data = """\
24Joe,10,20,30,40
25Lauren,10,20,30
26Ben,10,20,30,5
27"""
28assert topScorer(data) == "Joe"
29
30data = """\
31David,11,20,30
32Austin,10,20,30,1
33Lauren,50
34"""
35assert topScorer(data) == "David,Austin"
36
37data = """\
38Ping-Ya,100,80,90
39"""
40assert topScorer(data) == "Ping-Ya"
41
42data = """\
43Reyna,20,40,40
44Ema,5,5,5,5,10
45Ketandu,50,20,10,20
46Tanya,80,20
47Kate,70
48"""
49assert topScorer(data) == "Reyna,Ketandu,Tanya"
50
51assert topScorer("") == None
52print("Passed!")