testing how to hide videos

POcultarVideos.ipynb

@@ -162,7 +162,7 @@
     "tags": []
    },
    "source": [
-    "#### Using markdow - Opcion 2 - La prueba definitica"
+    "#### Using markdow - Opcion 2 - La prueba definitiva"
    ]
   },
   {
@@ -179,7 +179,9 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "<iframe width=\"560\" height=\"315\" src=\"https://www.youtube.com/embed/-TE64w4hi2o?si=fsl8viQlDz2QIsxk&amp;controls=1\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen></iframe>"
+    "<center>\n",
+    "<iframe width=\"560\" height=\"315\" src=\"https://youtu.be/88XFuf6w2v0?si=8bM2UT17ImnSfG5B\" title=\"Lesson 01 Chapter 01\" frameborder=\"1\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen></iframe>\n",
+    "</center>"
    ]
   },
   {