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#!/usr/bin/python3
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 __str__(self):
"""return self's name"""
return self.name
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
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