db.restaurants.find({borough : { $in : ["Brooklyn"] }}, {_id: 1, name : 1}).count();
1.6086

let count = 0;
db.restaurants.find({ borough: "Brooklyn" }).forEach((doc) => {
  count++;
});
print(count);


db.restaurants.insertOne({
  "_id": "45872563",
  "name": "Freshly Burger",
  "borough": "Brooklyn",
  "address": {
    "street": "165 Farragut Road",
    "zipcode": ""
  },
  "cuisine": "Burgers",
  "grades": [
    {
      "date": ISODate("2015-04-03"),
      "grade": "A+",
      "score": 15
    },
    {
      "date": ISODate("2021-06-06"),
      "grade": "A++",
      "score": 18
    }
  ]
});

db.restaurants.find(
  { "grades.score": 20 },
  { name: 1, _id: 0 }
);



3.{ name: 'Tov Kosher Kitchen' },
  { name: 'P & S Deli Grocery' },
  { name: 'Spoon Bread Catering' },
  { name: 'Gottscheer Hall' },
  { name: 'Cafe Atelier (Art Students League)' },
  { name: "Labetti'S Post # 2159" },
  { name: "Panchito'S" },
  { name: "Reynold'S Bar" },
  { name: "Joyce'S Tavern" },
  { name: "Nancy'S Fire Side" },
  { name: 'Hop Kee Restaurant' },
  { name: "Denino'S Pizzeria Tavern" },
  { name: "Michael'S Restaurant" },
  { name: "Lenihan'S Saloon" },
  { name: 'Jardin De China Rest' },
  { name: "Gray'S Papaya" },
  { name: "Tony'S Pizzeria" },
  { name: "Schaffer'S Tavern" },
  { name: "Mcdonald'S" },
  { name: 'Raccoon Lodge' }