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17 changes: 17 additions & 0 deletions Лабораторная работа 4/task_1.py
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import json

INPUT_FILE = "input.json"


def task() -> float:
"""
Функция для подсчета суммы произведений двух значений в каждом словаре из JSON файла.
"""
with open(INPUT_FILE, "r", encoding="utf-8") as input_file:
json_data = json.load(input_file)

sum_data = sum([item["score"] * item["weight"] for item in json_data])
return round(sum_data, 3)


print(task())
27 changes: 27 additions & 0 deletions Лабораторная работа 4/task_2.py
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import json
import csv

INPUT_FILENAME = "input.csv"
OUTPUT_FILENAME = "output.json"


def task() -> None:
"""
Конвертер из CSV в JSON формат

Функция считывающая данные из CSV-файла, преобразуя их в список словарей и сохраняя данные в файле JSON.
"""
with open(INPUT_FILENAME, "r", encoding="utf-8") as input_file:
reader = csv.DictReader(input_file, delimiter=",", quotechar="\n")
list_data = [row for row in reader]

with open(OUTPUT_FILENAME, "w", encoding="utf-8") as output_file:
json.dump(list_data, output_file, indent=4)


if __name__ == '__main__':
task()

with open(OUTPUT_FILENAME) as output_f:
for line in output_f:
print(line, end="")