def allLastNames(data, firstName):
    '''
    The parameter data is a list of lists where each list is two  
    strings representing the first and last name of a person.
    The string parameter firstname is the first name of a person (one word).
    Return a list of the last names of all the people from data with this
    first name.
    '''

def correspondingLastNames(data, firstNames):
    '''
    The parameter data is a list of lists where each list is two  
    strings representing the first and last name of a person.
    The parameter firstNames is a list of the unique first names from
    data.
    return a list of lists of last names such that the nth list of last
    names corresponds to the nth first name in firstNames.
    '''

def printFirstWithLasts(firstNames, lastNames):
    '''
    firstNames is a list of first names, and lastNames is a list of list of corresponding last names that go with
    the first name in the same index position
   '''
   print "Print Unique First Names with all Last Names"