string function in class python
class Person:
    name = ""
    age = 0
    def __init__(self, personName, personAge):
        self.name = personName
        self.age = personAge
    def __repr__(self):
        return {'name':self.name, 'age':self.age}
    def __str__(self):
        return 'Person(name='+self.name+', age='+str(self.age)+ ')'