Create a Student class , And use its properties and methods
Student Class has three properties , Student number 、 full name 、 Gender 、 Age , Where age is a private attribute
Student Class has two custom methods talk and say_age, among say_age For private methods . requirement talk Method outputs the student number of the instance object 、 Gender and age , Gender requires calling say_age obtain
Tips ： Initialization method of custom class , Generate the instance object with the initialization method
After the program is executed , To export ： My name is （ Your name ）, Student number , Gender male , This year, 20 Year old
print(" My name is {},{}".format(p.name, p.talk())
Tips
