lec12.1-person.py

# lec12.1-person.py
#
# Lecture 12 - Object Oriented Programming
# Video 1 - Inheritance
#
# edX MITx 6.00.1x
# Introduction to Computer Science and Programming Using Python

import datetime

class Person(object):
    def __init__(self, name):
        """create a person called name"""
        self.name = name
        self.birthday = None
        self.lastName = name.split(' ')[-1]

    def getLastName(self):
        """return self's last name"""
        return self.lastName

    def setBirthday(self,month,day,year):
        """sets self's birthday to birthDate"""
        self.birthday = datetime.date(year,month,day)

    def getAge(self):
        """returns self's current age in days"""
        if self.birthday == None:
            raise ValueError
        return (datetime.date.today() - self.birthday).days

    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

me = Person("William Eric Grimson")
print me
foo = 'William Eric Grimson'
foo.split(' ')
foo.split(' ')[-1]
me.getLastName()

me.setBirthday(1,2,1927)
me.getAge()

her = Person("Cher")
her.getLastName()
plist = [me, her]
for p in plist: print p
plist.sort()
for p in plist: print p