class Person(object):
 
    persons_dict = {}
    '''Creates a person object'''
    def __init__(self, firstname, lastname):
        self.lname = lastname.title()
        self.fname = firstname.title()
        fullname = "%s %s" % (self.fname, self.lname)
        Person.persons_dict[fullname] = self
 
    def __str__(self):
        return "{0} {1}".format(self.fname, self.lname)
 
    def __repr__(self):
        return "{0} {1}".format(self.fname, self.lname)
 
 
Person("Adamu", "Emeka")
Person("Femi", "Ojukwu")
Person("Wole", "Jonathan")
 
 
prompt_fname = "Adamu"
prompt_lname = "Emeka"
 
print(Person.persons_dict)
 
if "%s %s" % (prompt_fname, prompt_lname) not in Person.persons_dict:
    Person(prompt_fname, prompt_lname)
 
print(Person.persons_dict)

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