// Object type ******************************
                    type objectType = {
                      name: String;
                      city: String;
                      email: String;
                      isLoading: Boolean;
                      age: Number;
                    };
                    const Person: objectType = {
                      name: 'Saten Chauhan',
                      city: 'Kanpur',
                      email: 'saten@demo.com',
                      isLoading: true,
                      age: 35,
                    };
                    console.log(Person.name);
                    //Example================== 
                    const person: {
                      name: string;
                      mobile: number;
                      job: string;
                      address: {
                        city: string;
                        state: string;
                        country: string;
                      };
                    } = {
                      name: 'saten',
                      mobile: 92343243223,
                      job: 'React Native Developer',
                      address: {
                        city: 'Kanpur',
                        state: 'UP',
                        country: 'India',
                      },
                    };

                    type User = {
                      name: string;
                      mobile: number;
                      job: string;
                      address: {
                        city: string;
                        state: string;
                        country: string;
                      };
                    };
                    const user: User = {
                      name: 'saten',
                      mobile: 92343243223,
                      job: 'React Native Developer',
                      address: {
                        city: 'Kanpur',
                        state: 'UP',
                        country: 'India',
                      },
                    };

                    person.mobile = 99888453453400;
                    // user.mobile = 46565656;
                    // console.log(user.mobile);

                    type Student = {
                      name: string;
                      age: number;
                      gender?: string;
                      greet: (country: string) => string; // Call Signature
                    };

                    const student1: Student = {
                      name: 'saten',
                      age: 36,
                      greet: (country): string =>
                        `I am ${student1.name},  and I am ${student1.age} years old,  from ${country}`,
                    };

                    /* const show: (student1: Student) => string = (student1: Student): string => {
                      const { name, age } = student1;
                      return `I am ${name} and ${age} old`;
                    }; */

                    console.log(student1.greet('India'));