Answer 1

Sony Hossain

make print function not newContact function.

And also no need to print extra things just print values inside print function

this.print = function() {
console.log(this.name + ': ' + this.number;
}

now just call

a.print()
b.print()

Answer 2

Sony Hossain

You have to create print function inside given function 'contact'

Making new function 'newContact' doesn't make any sense.

Read the lesson again and try to solve