Question

Your task in this programming assignment is to write a Python program that implements a simple

vehicle class. The class models a vehicle that has a year, a make, and a model (e.g., 2016 Dodge Ram,

2007 Honda Civic, etc). For a 2016 Dodge Ram, for example, the year is 2016, the make is Dodge, and

the model is Ram. You will be provided a template that includes code (that you cannot change) in the

main part of the program to test the vehicle class:

# ***DO NOT MODIFY OR REMOVE ANYTHING BELOW THIS POINT!***

# the main part of the program

v1 = Vehicle("Dodge", "Ram")

v2 = Vehicle("Honda", "Odyssey")

print "v1={} {}".format(v1.make, v1.model)

print "v2={} {}".format(v2.make, v2.model)

print

v1.year = 2016

v2.year = 2016

print "v1={} {} {}".format(v1.year, v1.make, v1.model)

print "v2={} {} {}".format(v2.year, v2.make, v2.model)

print

v1.year = 1999

v2.model = "Civic"

v2.year = 2007

print "v1={} {} {}".format(v1.year, v1.make, v1.model)

print "v2={} {} {}".format(v2.year, v2.make, v2.model)

This sample code should provide some details of how to structure your vehicle class. Here's what the

output of this code with a correctly implemented vehicle class looks like:

v1=Dodge Ram

v2=Honda Odyssey

v1=2016 Dodge Ram

v2=2016 Honda Odyssey

v1=2016 Dodge Ram

v2=2007 Honda Civic

To help clarify, here are some specifics and/or constraints:

(1) The constructor must take two parameters, make and model, and make proper use of mutators to

set these values;

(2) By default, a newly instantiated vehicle has a year of 2000;

(3) Accessors and mutators (using the decorator method discussed in class) for each instance

variable (i.e., year, make, and model) must be included;

(4) A vehicle must have a year that is between 2000 and 2018 inclusive (i.e., implement range

checking so that any other provided value is ignored);

(5) You must include a meaningful header, use good coding style, use meaningful variable names,

and comment your source code where appropriate;

(6) Your output should be exactly like the sample run shown above; and

(7) You must submit your source code as a single .py file.

Answer 1

Ans:-

class Vehicle(object):
def __init__(self, make, model):
self.__make = make
self.__model = model
self.__year = 2000

@property
def make(self):
return self.__make

@make.setter
def make(self,value):
self.__make = value

@property
def model(self):
return self.__model

@model.setter
def model(self,value):
self.__model = value

@property
def year(self):
return self.__year

@year.setter
def year(self,value):
if value >= 2000 and value <=2018:
self.__year = value

  

v1 = Vehicle("Dodge", "Ram")
v2 = Vehicle("Honda", "Odyssey")
print "v1={} {}".format(v1.make, v1.model)
print "v2={0} {1}".format(v2.make, v2.model)
print

v1.year = 2016
v2.year = 2016
print "v1={} {} {}".format(v1.year, v1.make, v1.model)
print "v2={} {} {}".format(v2.year, v2.make, v2.model)
print

v1.year = 1999
v2.model = "Civic"
v2.year = 2007
print "v1={} {} {}".format(v1.year, v1.make, v1.model)
print "v2={} {} {}".format(v2.year, v2.make, v2.model)
print

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