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homework.py
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homework.py
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from typing import Union, List, Dict
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:
return (f'Тип тренировки: {self.training_type}; '
f'Длительность: {self.duration:.3f} ч.; '
f'Дистанция: {self.distance:.3f} км; '
f'Ср. скорость: {self.speed:.3f} км/ч; '
f'Потрачено ккал: {self.calories:.3f}.')
class Training:
"""Базовый класс тренировки."""
LEN_STEP: float = 0.65
MIN_IN_H: int = 60
M_IN_KM: int = 1000
CALORIES_MEAN_SPEED_MULTIPLIER: int = 18
CALORIES_MEAN_SPEED_SHIFT: float = 1.79
def __init__(self,
action: int,
duration: float,
weight: float) -> None:
self.action: int = action
self.duration: float = duration
self.weight: float = weight
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."""
distance = self.get_distance()
return distance / self.duration
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий."""
pass
def show_training_info(self) -> InfoMessage:
"""Вернуть информационное сообщение о выполненной тренировке."""
distance = self.get_distance()
speed = self.get_mean_speed()
calories = self.get_spent_calories()
return InfoMessage(type(self).__name__,
self.duration, distance, speed, calories)
class Running(Training):
"""Тренировка: бег."""
def get_spent_calories(self) -> float:
"""Получить количество затраченных калорий."""
mean_spead = self.get_mean_speed()
return ((self.CALORIES_MEAN_SPEED_MULTIPLIER * mean_spead
+ self.CALORIES_MEAN_SPEED_SHIFT)
* self.weight / self.M_IN_KM * self.duration * self.MIN_IN_H)
class SportsWalking(Training):
"""Тренировка: спортивная ходьба."""
CALORIES_WEIGHT_MULTIPLIER: float = 0.035
CALORIES_SPEED_HEIGHT_MULTIPLIER: float = 0.029
KMH_IN_MSEC: int = 0.278
CM_IN_M: int = 100
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:
mean_spead = self.get_mean_speed()
return ((self.CALORIES_WEIGHT_MULTIPLIER * self.weight
+ ((mean_spead * self.KMH_IN_MSEC) ** 2
/ (self.height / self.CM_IN_M))
* self.CALORIES_SPEED_HEIGHT_MULTIPLIER
* self.weight) * self.duration * self.MIN_IN_H)
class Swimming(Training):
"""Тренировка: плавание."""
LEN_STEP: float = 1.38
CALORIES_MEAN_SPEED_SHIFT: float = 1.1
CALORIES_WEIGHT_MULTIPLIER: int = 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_mean_speed(self) -> float:
return (self.length_pool * self.count_pool
/ self.M_IN_KM / self.duration)
def get_spent_calories(self) -> float:
mean_spead = self.get_mean_speed()
return ((mean_spead + self.CALORIES_MEAN_SPEED_SHIFT)
* self.CALORIES_WEIGHT_MULTIPLIER
* self.weight * self.duration)
def read_package(workout_type: str, data: List[Union[int, float]]) -> Training:
"""Прочитать данные полученные от датчиков."""
training_dictionary: Dict[str, type(Training)] = {
'SWM': Swimming,
'RUN': Running,
'WLK': SportsWalking}
if workout_type in training_dictionary:
return training_dictionary[workout_type](*data)
else:
raise KeyError('Key does not exist')
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)