import json if __name__ == '__main__': array = [] with open('fragen_10_06_21_final.json') as file: data = json.load(file) print(len(data)) for i in range(0, len(data)): new = {'id': int(data[i]['id']), 'difficulty': int(data[i]['difficulty']), 'question': data[i]['question'], 'answers': []} new['answers'].append({"text": data[i]['A'], "status": 'A' == data[i]['key'] }) new['answers'].append({"text": data[i]['B'], "status": 'B' == data[i]['key'] }) new['answers'].append({"text": data[i]['C'], "status": 'C' == data[i]['key'] }) new['answers'].append({"text": data[i]['D'], "status": 'D' == data[i]['key'] }) array.append(new) with open('fragen_10_06_21_final_new_format.json', 'w', encoding='utf8') as file: json.dump(array, file, ensure_ascii=False) print(len(data))