oop_3

# Circle
class Circle:
    pi = 3.14

    def __init__(self, radius):
        self.radius = radius

    def set_radius(self, new_radius):
        self.radius = new_radius

    def get_area(self):
        return Circle.pi * self.radius ** 2

    def get_circumference(self):
        return Circle.pi * self.radius * 2

# Glass
class Glass:
    capacity = 250

    def __init__(self):
        self.content = 0

    def fill(self, ml):
        if self.content + ml > Glass.capacity:

            return f"Cannot add {ml} ml"

        self.content += ml

        return f"Glass filled with {ml} ml"

    def empty(self):
        self.content = 0

        return "Glass is now empty"

    def info(self):
        return f"{Glass.capacity - self.content} ml left"

# Point
class Point:
    def __init__(self, x, y):
        self.x = x
        self.y = y


    def set_x(self, new_x):
        self.x = new_x

    def set_y(self, new_y):
        self.y = new_y

    def __str__(self):
        return f"The point has coordinates ({self.x},{self.y})"


p = Point(3, 4)
print(p)

# Smartphone
from typing import List


class Smartphone:

    def __init__(self, memory):
        self.memory = memory
        self.apps: List[str] = []
        self.is_on: bool = False

    def power(self) -> None:
        self.is_on = not self.is_on

    def install(self, app, app_memory):
        if self.is_on:
            return f"Turn on your phone to install {app}"

        if self.memory > app_memory:
            self.memory -= app_memory
            self.apps.append(app)

            return f"Installing {app}"

        return f"Not enough memory to install {app}"

    def status(self):
        return f"Total apps: {len(self.apps)}. Memory left: {self.memory}"

# Vehicle
class Vehicle:
    def __init__(self, mileage, max_speed: int=150):
        self.max_speed = max_speed
        self.mileage = mileage
        self.gadgets = []

car = Vehicle(20)

car.gadgets.append("something")

print(car.gadgets)