Objects and Classes - Lab and Exericse 100/100

# All Objects and Classes - Lab and Exericse - Python Fundamentals 100/100.


#Objects and Classes - Lab

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#01. Comment

class Comment:
    def __init__(self, username, content, likes=0):
        self.username = username
        self.content = content
        self.likes = likes

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# 02. Party

class Party:
    def __init__(self):
        self.people = []


total_people = Party()
command_line = input()
while not command_line == 'End':
    current_name = command_line
    total_people.people.append(current_name)
    command_line = input()

print(f'Going: {", ".join(total_people.people)}')
print(f"Total: {len(total_people.people)}")

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# 03. Email

class Email:
    def __init__(self, sender, receiver, content):
        self.sender = sender
        self.receiver = receiver
        self.content = content
        self.is_sent = False

    def get_info(self):
        return f"{self.sender} says to {self.receiver}: " \
               f"{self.content}. Sent: {self.is_sent}"

    def send(self):
        self.is_sent = True


message = input()
emails_data = []
while not message == 'Stop':
    details = message.split(' ')
    sender = details[0]
    receiver = details[1]
    content = details[2]
    all_info = Email(sender, receiver, content)
    emails_data.append(all_info)
    message = input()

sent_emails = list(map(int, input().split(', ')))

for x in sent_emails:
    emails_data[x].send()

for email in emails_data:
    print(email.get_info())

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# 04. Zoo

class Zoo:
    __animals = 0

    def __init__(self, name):
        self.name = name
        self.mammals = []
        self.fishes = []
        self.birds = []

    def add_animal(self, species, name):
        if species == 'mammal':
            self.mammals.append(name)
        elif species == 'fish':
            self.fishes.append(name)
        elif species == 'bird':
            self.birds.append(name)
        Zoo.__animals += 1

    def get_info(self, species):
        result = ""
        if species == 'mammal':
            result += f'Mammals in {self.name}: {", ".join(self.mammals)}\n'

        elif species == 'fish':
            result += f'Fishes in {self.name}: {", ".join(self.fishes)}\n'

        elif species == 'bird':
            result += f'Birds in {self.name}: {", ".join(self.birds)}\n'

        result += f"Total animals: {Zoo.__animals}"
        return result


zoo_name = input()
my_zoo = Zoo(zoo_name)
total_animals = int(input())
for _ in range(1, total_animals + 1):
    animal_info = input().split(' ')
    current_species = animal_info[0]
    name = animal_info[1]
    my_zoo.add_animal(current_species, name)

species_to_print = input()
print(my_zoo.get_info(species_to_print))

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# 05. Circle

class Circle:

    __pi = 3.14

    def __init__(self, diameter):
        self.diameter = diameter
        self.radius = diameter / 2

    def calculate_circumference(self):
        return 2 * (Circle.__pi * self.radius)

    def calculate_area(self):
        return Circle.__pi * (self.radius ** 2)

    def calculate_area_of_sector(self, angle):
        return (angle / 360) * Circle.__pi * (self.radius ** 2)

////////////////////////////////////////////////////////////////////////////

# Objects and Classes - Exericse

***************************************************************************************************************
#01. Storage

class Storage:
    storage = []

    def __init__(self, capacity: int):
        self.capacity = capacity

    def add_product(self, product: str):
        if len(self.storage) < self.capacity:
            Storage.storage.append(product)

    def get_products(self):
        return Storage.storage

***************************************************************************************************************
#02. Weapon

class Weapon:

    def __init__(self, bullets: int):
        self.bullets = bullets

    def shoot(self):
        if self.bullets > 0:
            self.bullets -= 1
            return 'shooting...'
        return 'no bullets left'

    def __repr__(self):
        return f'Remaining bullets: {self.bullets}'

***************************************************************************************************************
# 03. Catalogue

class Catalogue:

    def __init__(self, name: str):
        self.name = name
        self.products = []

    def add_product(self, product_name: str):
        self.products.append(product_name)

    def get_by_letter(self, first_letter: str):
        by_letter = []
        for letter in self.products:
            if letter[0] == first_letter:
                by_letter.append(letter)
        return by_letter

    def __repr__(self):
        self.products = sorted(self.products)
        final_products = '\n'.join(self.products)
        return f"Items in the {self.name} catalogue:\n{final_products}"

***************************************************************************************************************
# 04. Town

class Town:

    def __init__(self, name: str, latitude="0°N", longitude="0°E"):
        self.name = name
        self.latitude = latitude
        self.longitude = longitude

    def set_latitude(self, latitude):
        result1 = self.latitude = latitude
        return result1

    def set_longitude(self, longitude):
        result2 = self.longitude = longitude
        return result2

    def __repr__(self):
        return f"Town: {self.name} | Latitude: {self.latitude} | Longitude: {self.longitude}"

***************************************************************************************************************
# 05. Class

class Class:
    __student_count = 22

    def __init__(self, name: str):
        self.name = name
        self.students = []
        self.grades = []

    def add_student(self, name: str, grade: float):
        Class.__student_count -= 1
        if Class.__student_count > 0:
            self.students.append(name)
            self.grades.append(grade)

    def get_average_grade(self):
        result = sum(self.grades) / len(self.students)
        return float(f'{result:.2f}')

    def __repr__(self):
        result = f"The students in {self.name}: {', '.join(self.students)}. Average grade: {self.get_average_grade()}"
        return result
        return result

***************************************************************************************************************
# 06. Inventory

class Inventory:

    def __init__(self, __capacity: int):
        self.items = []
        self.__capacity = __capacity

    def add_item(self, item: str):
        if self.__capacity > 0:
            self.items.append(item)
            self.__capacity -= 1
        return "not enough room in the inventory"

    def get_capacity(self):
        result = len(self.items)
        return result

    def __repr__(self):
        to_print = f"{', '.join(self.items)}"
        return f"Items: {to_print}.\nCapacity left: {self.__capacity}"

***************************************************************************************************************
# 07. Articles

class Article:

    def __init__(self, title: str, content: str, author: str):
        self.title = title
        self.content = content
        self.author = author

    def edit(self, new_content: str):
        self.content = new_content
        return self.content

    def change_author(self, new_author: str):
        self.author = new_author
        return self.author

    def rename(self, new_title: str):
        self.title = new_title
        return self.title

    def __repr__(self):
        result = f"{self.title} - {self.content}: {self.author}"
        return result

***************************************************************************************************************
# 08. Vehicle

class Vehicle:

    def __init__(self, type, model, price):
        self.type = type
        self.model = model
        self.price = price
        self.owner = None

    def buy(self, money: int, owner: str):
        if (money >= self.price) and (self.owner is None):
            price_dif = float(f"{(money - self.price):.2f}")
            result = f"Successfully bought a {self.type}. Change: {price_dif:.2f}"
            self.owner = owner
            return result

        elif money < self.price:
            return 'Sorry, not enough money'

        elif self.owner is not None:
            return 'Car already sold'

    def sell(self):
        if self.owner is not None:
            self.owner = None
        else:
            return 'Vehicle has no owner'

    def __repr__(self):
        if self.owner is not None:
            return f"{self.model} {self.type} is owned by: {self.owner}"
        return f"{self.model} {self.type} is on sale: {self.price}"

***************************************************************************************************************
# 09. Movie

class Movie:
    __watched_movies = []

    def __init__(self, name, director, watched=False):
        self.name = name
        self.director = director
        self.watched = watched

    def change_name(self, new_name: str):
        self.name = new_name
        return self.name

    def change_director(self, new_director: str):
        self.director = new_director
        return self.director

    def watch(self):
        if self.name not in Movie.__watched_movies:
            self.watched = True
            Movie.__watched_movies.append(self.name)

    def __repr__(self):
        to_print = len(Movie.__watched_movies)
        return f"Movie name: {self.name}; Movie director: {self.director}. Total watched movies: {to_print}"

***************************************************************************************************************