Complete the `Car` class by creating an attribute `purchase_price` (type `int`) and the method `print_info()` that outputs the car's information. **Example:** If the input is: ``` 2011 18000 2018 ``` where 2011 is the car's model year, 18000 is the purchase price, and 2018 is the current year, then `print_info()` outputs: ``` Car's information: Model year: 2011 Purchase price: $18000 Current value: $5770 ``` **Code:** ```python class Car: def __init__(self): self.model_year = 0 # TODO: Declare purchase_price attribute self.current_value = 0 def calc_current_value(self, current_year): depreciation_rate = 0.15 # Car depreciation formula car_age = current_year - self.model_year self.current_value = round(self.purchase_price * (1 - depreciation_rate) ** car_age) # TODO: Define print_info() method to output model_year, purchase_price, and current_value if __name__ == "__main__": year = int(input()) price = int(input()) current_year = int(input()) my_car = Car() my_car.model_year = year my_car.purchase_price = price my_car.calc_current_value(current_year) my_car.print_info() ``` The code defines a `Car` class to calculate a car's current value based on its model year and purchase price. It includes a depreciation formula and placeholders to complete the class by adding a `purchase_price` attribute and implementing a `print_info()` method to display the car's details.
Complete the `Car` class by creating an attribute `purchase_price` (type `int`) and the method `print_info()` that outputs the car's information. **Example:** If the input is: ``` 2011 18000 2018 ``` where 2011 is the car's model year, 18000 is the purchase price, and 2018 is the current year, then `print_info()` outputs: ``` Car's information: Model year: 2011 Purchase price: $18000 Current value: $5770 ``` **Code:** ```python class Car: def __init__(self): self.model_year = 0 # TODO: Declare purchase_price attribute self.current_value = 0 def calc_current_value(self, current_year): depreciation_rate = 0.15 # Car depreciation formula car_age = current_year - self.model_year self.current_value = round(self.purchase_price * (1 - depreciation_rate) ** car_age) # TODO: Define print_info() method to output model_year, purchase_price, and current_value if __name__ == "__main__": year = int(input()) price = int(input()) current_year = int(input()) my_car = Car() my_car.model_year = year my_car.purchase_price = price my_car.calc_current_value(current_year) my_car.print_info() ``` The code defines a `Car` class to calculate a car's current value based on its model year and purchase price. It includes a depreciation formula and placeholders to complete the class by adding a `purchase_price` attribute and implementing a `print_info()` method to display the car's details.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Transcribed Image Text:Complete the `Car` class by creating an attribute `purchase_price` (type `int`) and the method `print_info()` that outputs the car's information.
**Example:**
If the input is:
```
2011
18000
2018
```
where 2011 is the car's model year, 18000 is the purchase price, and 2018 is the current year, then `print_info()` outputs:
```
Car's information:
Model year: 2011
Purchase price: $18000
Current value: $5770
```
**Code:**
```python
class Car:
def __init__(self):
self.model_year = 0
# TODO: Declare purchase_price attribute
self.current_value = 0
def calc_current_value(self, current_year):
depreciation_rate = 0.15
# Car depreciation formula
car_age = current_year - self.model_year
self.current_value = round(self.purchase_price * (1 - depreciation_rate) ** car_age)
# TODO: Define print_info() method to output model_year, purchase_price, and current_value
if __name__ == "__main__":
year = int(input())
price = int(input())
current_year = int(input())
my_car = Car()
my_car.model_year = year
my_car.purchase_price = price
my_car.calc_current_value(current_year)
my_car.print_info()
```
The code defines a `Car` class to calculate a car's current value based on its model year and purchase price. It includes a depreciation formula and placeholders to complete the class by adding a `purchase_price` attribute and implementing a `print_info()` method to display the car's details.
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