text: /*
  For this exercise you can look up to https://www.learnrxjs.io/
  
  Exercise:
  - create an Observable from array of integers'
  - transform and map by multiplying by 10
  */
  
  const { from } = require("rxjs");
  const { map } = require("rxjs/operators");
  
  from([1, 2, 3, 4, 5])
      .pipe(
          map(x => x * 10)
      )
      .subscribe(x => console.log(x));
  