with_hint.py

class Contact(object):
    def __init__(self, name, phone):
        self.name = name
        self.phone = phone

def equal(a: Contact, b: Contact) -> bool:
    return a.name == b.name and a.phone == b.phone

a = Contact('tom', 123)
b = Contact('boy', 456)

print(equal(a,b))