"""A small exercise in zookeeping."""
import math
from functools import reduce


class Animal:
    """Animal."""

    def __init__(self, species: str, scientific_name: str, age_up_to: int, weight_range: tuple, height_range: tuple,
                 diet: str, habitat: str):
        """Initialize the Animal object."""
        self.species = species
        self.scientific_name = scientific_name
        self.age_up_to = age_up_to
        self.weight_range = weight_range
        self.height_range = height_range
        self.diet = diet
        self.habitat = habitat

    def __repr__(self):
        """Animal object representation."""
        return self.species


def find_smallest_animal_by_weight(animal_list: list) -> Animal:
    """
    Find the smallest animal by weight.

    As we want to know the smallest possible option, take the starting value of the weight range as a basis.
    If multiple animals are of the same weight, return the first one in the list.

    :param animal_list: input list of animals
    :return: Animal object
    """
    return animal_list.min(self.weight_range).First