Define a class, Car, that inherits from Vehicle.
In the Car class, override the __str__ method so that it returns a string with car's brand and mileage.
In the Car class, override the refuel method so that it increases the car's fuel by liters * 1.2
Create an instance of Car, call its refuel method, and print the car.
Define a class, EBook, that inherits from Book.
In the EBook class, override the read method so that it increases current_page by pages_read * 2.
Create an instance of EBook, call its read method.
Define a class, Car, that inherits from Vehicle.
In the Car class, override the drive method so that it decreases the car's fuel by distance * 0.05 and adds distance to mileage
Create an instance of Car, call its drive and refuel methods, and observe the fuel change.
class Fighter:
def __init__(self, name, strength, moves):
self.name = name
self.strength = strength
self.moves = moves
self.health = 100
def train(self, new_move):
self.moves.append(new_move)
def punch(self, opponent):
opponent.health -= 5
def grapple(self, opponent):
opponent.health = opponent.health - 5
class Boxer(Fighter):
def punch(self, opponent):
opponent.health -= 10
class Wrestler(Fighter):
def grapple(self, opponent):
opponent.health = opponent.health - 10
fighter = Fighter("Adesanya", 70, ["feint + counter right", "left hook"])
boxer = Boxer("Rocky", 80, ["jab", "cross"])
wrestler = Wrestler("Hulk", 90, ["slam", "suplex", "chokehold"])
fighter.punch(boxer)
boxer.punch(wrestler)
wrestler.punch(fighter)
At the end of execution of the above script, what is value of the following expressions?
| fighter.health: | ||
| boxer.health: | ||
| wrestler.health: |
Define a class, Goat, that inherits from Animal.
In the Goat class, override the __str__ method so that it returns a string with goat's name and energy.
In the Goat class, override the play method so that it decreases the goat's energy by hours * 5
Create an instance of Goat, call its play method, and print the goat.
class Volume:
def __init__(self, liters):
self.liters = liters
def __add__(self, other):
print('add')
return Volume(self.liters + other.liters)
def __truediv__(self, divisor):
print('div')
return Volume(self.liters / divisor)
v1 = Volume(10)
v2 = Volume(5)
v3 = v1 + v2
v4 = v1 / 2
Given the above script:
| What is the first printed value: | ||
| What is the second printed value: | ||
| What is value of v1.liters: | ||
| What is value of v3.liters: | ||
| What is value of v4.liters: |
Complete execution flow of the following program
class Volume: def __init__(self, liters): self.liters = liters def __add__(self, other): print('add') return Volume(self.liters + other.liters) def __truediv__(self, divisor): print('div') return Volume(self.liters / divisor) v1 = Volume(10) v2 = Volume(5) v3 = v1 + v2 v4 = v1 / 2 v4.liters
add div >>>
Complete execution flow of the following program
class Fighter: def __init__(self, name, strength, moves): self.name = name self.strength = strength self.moves = moves self.health = 100 def train(self, new_move): self.moves.append(new_move) def punch(self, opponent): opponent.health = opponent.health - 5 def grapple(self, opponent): opponent.health = opponent.health - 5 class Boxer(Fighter): def punch(self, opponent): opponent.health = opponent.health - 10 class Wrestler(Fighter): def grapple(self, opponent): opponent.health = opponent.health - 10 fighter = Fighter("Adesanya", 70, ["feint + counter right", "left hook"]) boxer = Boxer("Rocky", 80, ["jab", "cross"]) wrestler = Wrestler("Hulk", 90, ["slam", "suplex", "chokehold"]) fighter.punch(boxer) boxer.punch(wrestler) wrestler.punch(fighter)
Complete execution flow of the following program
class Student: def __init__(self, name, grade, credits): self.name = name self.grade = grade self.credits = credits self.courses = [] def enroll(self, course): self.courses.append(course) class GraduateStudent(Student): def research(self, hours): self.credits = self.credits + hours * 2 class Undergraduate(Student): def study(self, hours): self.credits = self.credits + hours grad = GraduateStudent("Alice", 90, 30) undergrad = Undergraduate("Bob", 85, 20) grad.enroll("ML") grad.research(5) undergrad.study(10)
Complete execution flow of the following program
class Employee: def __init__(self, name, salary, projects): self.name = name self.salary = salary self.projects = projects self.hours_worked = 0 def add_project(self, project): self.projects.append(project) def work(self, hours): self.hours_worked = self.hours_worked + hours def get_bonus(self): return self.salary * 0.1 class Developer(Employee): def work(self, hours): self.hours_worked = self.hours_worked + hours * 1.5 class Manager(Employee): def get_bonus(self): return self.salary * 0.2 employee = Employee("John", 50000, ["Project A"]) developer = Developer("Alice", 70000, ["Project B", "Project C"]) manager = Manager("Bob", 90000, ["Project D"]) employee.work(10) developer.work(10) manager.work(10)