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from dataclasses import dataclass
@dataclass
class InfoMessage:
"""Информационное сообщение о тренировке."""
training_type: str
duration: float
distance: float
speed: float
calories: float
def get_message(self) -> str:
"""Вывод информационного сообщения."""
return (f'Тип тренировки: {self.training_type}; Длительность: '
f'{self.duration:.3f} ч.; Дистанция: {self.distance:.3f} '
f'км; Ср. скорость: {self.speed:.3f} км/ч; Потрачено ккал: '
f'{self.calories:.3f}.')
@dataclass
class Training:
"""Базовый класс тренировки."""
action: int
duration: float
weight: float
LEN_STEP = 0.65
M_IN_KM = 1000.0
MIN_IN_HOUR = 60.0
def get_distance(self) -> float:
"""Получить дистанцию в км."""
return (self.action
* self.LEN_STEP
/ self.M_IN_KM)
def get_mean_speed(self) -> float:
"""Получить среднюю скорость движения."""
return (self.get_distance()
/ self.duration)
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий."""
raise NotImplementedError('Метод расчёта затраченных калорий '
'не определён!!!')
def show_training_info(self) -> InfoMessage:
"""Вернуть информационное сообщение о выполненной тренировке."""
return InfoMessage(type(self).__name__,
self.duration,
self.get_distance(),
self.get_mean_speed(),
self.get_spent_calories())
@dataclass
class Running(Training):
"""Тренировка: бег."""
CALORIES_MEAN_SPEED_MULTIPLIER = 18.0
CALORIES_MEAN_SPEED_SHIFT = 1.79
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий."""
return (
(
self.CALORIES_MEAN_SPEED_MULTIPLIER
* self.get_mean_speed()
+ self.CALORIES_MEAN_SPEED_SHIFT
)
* self.weight
/ self.M_IN_KM
* self.duration
* self.MIN_IN_HOUR
)
@dataclass
class SportsWalking(Training):
"""Тренировка: спортивная ходьба."""
height: float
CALORIES_MEAN_WEIGHT_MULTIPLIER = 0.035
CALORIES_MEAN_WEIGHT_SHIFT = 0.029
KMH_IN_MS = 0.278
CM_IN_M = 100.0
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий."""
return (
(
(
self.CALORIES_MEAN_WEIGHT_MULTIPLIER
* self.weight
+ (
(
self.get_mean_speed()
* self.KMH_IN_MS
)**2
/ (
self.height
/ self.CM_IN_M
)
)
* self.CALORIES_MEAN_WEIGHT_SHIFT
* self.weight
)
* self.duration
* self.MIN_IN_HOUR
)
)
@dataclass
class Swimming(Training):
"""Тренировка: плавание."""
length_pool: float
count_pool: float
LEN_STEP = 1.38
CALORIES_MEAN_SPEED_MULTIPLIER = 1.1
CALORIES_MEAN_WEIGHT_SHIFT = 2.0
def get_mean_speed(self) -> float:
"""Получить среднюю скорость движения."""
return (self.length_pool
* self.count_pool
/ self.M_IN_KM
/ self.duration)
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий."""
return (
(
self.get_mean_speed()
+ self.CALORIES_MEAN_SPEED_MULTIPLIER
)
* self.CALORIES_MEAN_WEIGHT_SHIFT
* self.weight
* self.duration
)
def read_package(workout_type: str, data: list[int]) -> Training:
"""Прочитать данные полученные от датчиков."""
workouts_alphabet: dict[str: type[Training]] = {
'SWM': Swimming,
'RUN': Running,
'WLK': SportsWalking
}
if workout_type not in workouts_alphabet:
workout_types = ' / '.join(workouts_alphabet.keys())
raise ValueError(f'{workout_type} - неизвестный тип тренеровки. '
f'Коды доступных видов тренеровок: {workout_types}')
return workouts_alphabet[workout_type](*data)
def main(training: Training) -> None:
"""Главная функция."""
info: InfoMessage = training.show_training_info()
print(info.get_message())
if __name__ == '__main__':
packages = [
('SWM', [720, 1, 80, 25, 40]),
('RUN', [15000, 1, 75]),
('WLK', [9000, 1, 75, 180]),
]
for workout_type, data in packages:
training = read_package(workout_type, data)
main(training)