diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 6c1f47b..dcd8668 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -5,7 +5,7 @@ import { UpperCasePipe } from '@angular/common';
 import { TextPipe } from '../text.pipe';
 import { HotelService } from './Parent/services/hotel.service';
 import { inject } from '@angular/core';
-import { filter, map, Observable } from 'rxjs';
+import { filter, map, Observable, range } from 'rxjs';
 
 @Component({
   selector: 'app-root',
@@ -20,27 +20,20 @@ export class AppComponent {
   public hotelService: HotelService = inject(HotelService);
 
   ngOnInit() {
-    const stream: Observable<number> = new Observable((observer) => {
-      observer.next(1);
-      observer.next(2);
-      observer.next(3);
-      observer.next(4);
-      observer.next(5);
-      observer.next(6);
-      observer.next(7);
-      observer.next(8);
-      observer.next(9);
-      observer.next(10);
-      observer.complete();
-    });
+    const stream: Observable<number> = range(1, 10);
 
     stream.pipe(
-      filter((value:number) => value % 2 === 1),
-      map((value:number) => value * 2)
+      filter((value: number) => value % 2 === 1),
+    ).subscribe((value) => console.log(value));
+    console.log('---')
+
+    stream.pipe(
+      map((value: number) => value * 2)
     ).subscribe((value) => console.log(value));
   }
 
   public test() {
+    8
     console.log(this.search);
   }