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Very good, but that doesn't quite cut it. you need this:
if name == 'main':
n = int(input())
student_marks = {}
for _ in range(n):
line = input().split()
name, scores = line[0], line[1:]
scores = map(float, scores)
student_marks[name] = scores
query_name = input()
query_scores = list(student_marks[query_name])
print("{0:.2f}".format(sum(query_scores)/(len(list(query_scores)))))
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Finding the percentage
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Very good, but that doesn't quite cut it. you need this: if name == 'main': n = int(input()) student_marks = {} for _ in range(n): line = input().split() name, scores = line[0], line[1:] scores = map(float, scores) student_marks[name] = scores query_name = input() query_scores = list(student_marks[query_name]) print("{0:.2f}".format(sum(query_scores)/(len(list(query_scores)))))