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- https://praktikum.yandex.ru/trainer/data-analyst/lesson/efcdf907-60ff-41d2-aacb-7789d9c2f443/task/93acd8ab-2302-4b30-8fc8-651e1e283858/
- def print_mean(data, column):
- amount = 0
- for row in data:
- amount += row[column]
- mean_data = amount / len(data)
- print('{:.2f}'.format(mean_data))
- при проверке выдает ошибку: "проверьте что функция печатает число"
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