name = ["sarthak","surabhi", "tejal",
        "dipali", "girija", "devendra"] 

department = {
   id : 10,
   branch : "computer"
}

skills = 
    designer :
         name : "ali"
         surname : "bazzi"
   backend :
         name : "sunny"
surname : "warner"

engineers = [
  { name : "ali" , surname : "bazzi"},
  { name : "virat" , surname : "sharma"},
  { name : "sharma" , surname : "pandey"},
  { name : "paresh" , surname : "vikramadity"},
  { name : "sandip" , surname : "jain"}
]
   
names_record = engineers.map(firstname) -> firstname.name
console.log(names_record)

['ali', 'virat', 'sharma', 'paresh', 'sandip'] 

numbers = [2 , 3, 5, 6, 4, 7]
 
double_numbers = numbers.map(num) -> return num * 2
 
console.log(double_numbers)

[4, 6, 10, 12, 8, 14]