final-prob6.py

# final-prob6.py
#
# Final Exam, Problem 6
#
# edX MITx 6.00.1x
# Introduction to Computer Science and Programming Using Python

"""
In this problem, you will implement a class according to the specifications
in the template file usresident.py. The file contains a Person class similar
to what you have seen in lecture and a USResident class (a subclass of Person).
Person is already implemented for you and you will have to implement two
methods of USResident.

For example, the following code:

a = USResident('Tim Beaver', 'citizen')
print a.getStatus()
b = USResident('Tim Horton', 'non-resident')

will print out:

    citizen

## will show that a ValueError was raised at a particular line

Paste only your implementation of the USResident class in the box.
Do not leave any debugging print statements.

"""

## DO NOT MODIFY THE IMPLEMENTATION OF THE Person CLASS ##
class Person(object):
    def __init__(self, name):
        #create a person with name name
        self.name = name
        try:
            firstBlank = name.rindex(' ')
            self.lastName = name[firstBlank+1:]
        except:
            self.lastName = name
        self.age = None
    def getLastName(self):
        #return self's last name
        return self.lastName
    def setAge(self, age):
        #assumes age is an int greater than 0
        #sets self's age to age (in years)
        self.age = age
    def getAge(self):
        #assumes that self's age has been set
        #returns self's current age in years
        if self.age == None:
            raise ValueError
        return self.age
    def __lt__(self, other):
        #return True if self's name is lexicographically less
        #than other's name, and False otherwise
        if self.lastName == other.lastName:
            return self.name < other.name
        return self.lastName < other.lastName
    def __str__(self):
        #return self's name
        return self.name

class USResident(Person):
    """
    A Person who resides in the US.
    """
    def __init__(self, name, status):
        """
        Initializes a Person object. A USResident object inherits
        from Person and has one additional attribute:
        status: a string, one of "citizen", "legal_resident", "illegal_resident"
        Raises a ValueError if status is not one of those 3 strings
        """
        # Write your code here

    def getStatus(self):
        """
        Returns the status
        """
        # Write your code here