fetch('https://jsonplaceholder.typicode.com/todos/4')
      .then((response) => {
        response.json().then(console.log);
        return fetch('https://jsonplaceholder.typicode.com/todos/5')
      })
      .then((response) => {
        response.json().then(console.log);
        return fetch('https://jsonplaceholder.typicode.com/todos/6')
      })
      .then(response => response.json().then(console.log))

db.Clients.find({}).forEach(el => {
    db.Clients.updateOne({ _id: el._id }, { $set: { phone: [el.phone] }})
})