2. Extracting the First Value from Observables: take(1) vs. first() in Angular
   take(1)Emits the first value emitted by the source Observable.Silently completes the stream if there are no emitted values (empty stream)
3. Type Safety and Clarity: The Role of the Dollar Sign ($) with Angular Observables
   Clarity and Type Inference: The dollar sign helps improve code readability by visually distinguishing observable properties from regular variables