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homework.py
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class InfoMessage:
"""Информационное сообщение о тренировке."""
def __init__(
self,
training_type: str,
duration: float,
distance: float,
speed: float,
calories: float
):
self.training_type = training_type
self.duration = duration
self.distance = distance
self.speed = speed
self.calories = calories
def get_message(self) -> str:
"""Вывод строки с информационным сообщением."""
string = (
'Тип тренировки: {}; '
'Длительность: {:.3f} ч.; '
'Дистанция: {:.3f} км; '
'Ср. скорость: {:.3f} км/ч; '
'Потрачено ккал: {:.3f}.'
).format(
self.training_type,
self.duration,
self.distance,
self.speed,
self.calories
)
return string
class Training:
"""Базовый класс тренировки."""
LEN_STEP = 0.65
M_IN_KM = 1000
def __init__(
self,
action: int,
duration: float,
weight: float
) -> None:
self.action = action
self.duration = duration
self.weight = weight
def get_distance(self) -> float:
"""Получить дистанцию в км."""
result = (self.action * self.LEN_STEP) / self.M_IN_KM
return result
def get_mean_speed(self) -> float:
"""Получить среднюю скорость движения."""
result = self.get_distance() / self.duration
return result
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий."""
pass
def show_training_info(self) -> InfoMessage:
"""Вернуть информационное сообщение о выполненной тренировке."""
class_instance = InfoMessage(
self.__class__.__name__,
self.duration,
self.get_distance(),
self.get_mean_speed(),
self.get_spent_calories()
)
return class_instance
class Running(Training):
"""Тренировка: бег."""
COEFF_CALORIE_1 = 18
COEFF_CALORIE_2 = 20
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий при беге."""
result = ((self.COEFF_CALORIE_1
* self.get_mean_speed()
- self.COEFF_CALORIE_2)
* self.weight
/ self.M_IN_KM
* (self.duration * 60))
return result
class SportsWalking(Training):
"""Тренировка: спортивная ходьба."""
COEFF_CALORIE_1 = 0.035
COEFF_CALORIE_2 = 2
COEFF_CALORIE_3 = 0.029
def __init__(
self,
action: int,
duration: float,
weight: float,
height: float
) -> None:
super().__init__(action, duration, weight)
self.height: float = height
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий при ходьбе."""
result = ((self.COEFF_CALORIE_1 * self.weight
+ (self.get_mean_speed()
** self.COEFF_CALORIE_2
// self.height)
* self.COEFF_CALORIE_3
* self.weight)
* (self.duration * 60))
return result
class Swimming(Training):
"""Тренировка: плавание."""
LEN_STEP = 1.38
COEFF_CALORIE_1 = 1.1
COEFF_CALORIE_2 = 2
def __init__(
self,
action: int,
duration: float,
weight: float,
length_pool: float,
count_pool: float
) -> None:
super().__init__(action, duration, weight)
self.length_pool: float = length_pool
self.count_pool: float = count_pool
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий при плавании в бассейне."""
result = ((self.get_mean_speed() + self.COEFF_CALORIE_1)
* self.COEFF_CALORIE_2
* self.weight)
return result
def get_mean_speed(self) -> float:
"""Получить среднюю скорость движения при плавании в бассейне."""
result = ((self.length_pool * self.count_pool)
/ self.M_IN_KM
/ self.duration)
return result
def read_package(workout_type: str, data: list) -> Training:
"""Прочитать данные полученные от датчиков."""
catalog = {
'SWM': Swimming,
'RUN': Running,
'WLK': SportsWalking
}
if workout_type not in catalog.keys():
raise KeyError(
'Ошибка распознавания типа тренировки workout_type.'
' Необходимо проверить кэширующий словарь catalog'
)
class_instance = catalog[workout_type]
return class_instance(*data)
def main(training: Training) -> None:
"""Главная функция."""
info = 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)