# Classes

class Student:
    def __init__(self, name):
        self.name = name
        self.yearOfEntry = 2019

    def studentDescription(self, age=None, gender=None):
        if age is None and gender is None:
            self.description = (f"Name: {self.name}\nYear OF Entry: {self.yearOfEntry}\nAge : n/a\nGender: n/a")
            print(self.description)
            print("-------------")
        elif age is None:
            self.description = (f"Name: {self.name}\nYear OF Entry: {self.yearOfEntry}\nAge: n/a\nGender: {gender}")
            print(self.description)
            print("-------------")
        elif gender is None:
            self.description = (f"Name: {self.name}\nYear OF Entry: {self.yearOfEntry}\nAge: {age}\nGender: n/a")
            print(self.description)
            print("-------------")
        else:
            self.description = (f"Name: {self.name}\nYear OF Entry: {self.yearOfEntry}\nAge: {age}\nGender: {gender}")
            print(self.description)
            print("-------------")

class Update:
    def __init__(self):
        pass

    def getAge(self):
        self.age = input("Enter your age: ")
        return self.age

    def getGender(self):
        self.gender = input("Enter your gender: ")
        return self.gender

update = Update()
age = update.getAge()
gender = update.getGender()
user = Student("Charlie")
info = user.studentDescription(age, gender)