派生类bady以公有方式继承Person类

class Person
{
  string name;
  int age;
  float weight;
  public:
    Person(string n,int a,float w) {name = n;age = a;weight = w;}
    string getname() {return name;}
    void setAge(int a) {age = a;}
    int getAge() {return age;}
    float getweight() {return weight;}
    void print() {cout<<"姓名:"<<name<<",年龄:"<<age<<"体重"<<weight<<endl;}
};

class baby : public Person
{
  int lovely_degree;
  public:
    void setLovely_degree(int d) {lovely_degree = d;}
    baby(string n,int a,float w,int d) : Person(n,a,w) {lovely_degree = d;}
    void print() {cout<<"姓名:"<<getname()<<",年龄:"<<getAge()<<",体重"<<getweight()<<"可爱度:"<<lovely_degree<<endl;}
};

int main()
{
  Person p("Mike",4,35);
  baby b("marry",3,30,6);
  p.print();
  b.print();
  return 0;
}