"""
   person.py
   Jed Yang, 2017-03-31

   toString and equality testing.

   Intended as the Python half of parallel examples in Python and Java.
   See Person.java.
"""

class Person:
   
   def __init__(self, first, last):
      """Sets first and last names."""
      self.first = first
      self.last = last

   def __str__(self):
      """Returns full name when a string version is requested."""
      return self.first + " " + self.last

   def __eq__(self, other):
      """Two Person objects are equal if and only if their 'last' are equal."""
      return self.last == other.last

jed = Person('Jed', 'Yang')

print(jed)
# Note that print() seems to automagically call __str__ method.
# Try commenting out __str__ method above to see what would happen.

lindsay = Person('Lindsay', 'Yang')

print(jed == lindsay)
# Note that == automagically runs __eq__ method.
# Try commenting out __eq__ method above to see what would happen.