_23Json.py

import json
import glob
def print_scores(dirname):
    scores = {}
    for filename in glob.glob(f'{dirname}/*.json'):
        scores[filename] = {}
        with open(filename) as infile:
            for result in json.load(infile):
                for subject, score in result.items():
                    scores[filename].setdefault(subject,
                                                [])
                    scores[filename][subject].append(score)
    for one_class in scores: 
        for subject, subject_scores in scores[one_class].items():

            min_score = min(subject_scores)
            max_score = max(subject_scores)
            average_score = (sum(subject_scores) /
                             len(subject_scores))
            print(subject)
            print(f'\tmin {min_score}')
            print(f'\tmax {max_score}')
            print(f'\taverage {average_score}')