improve display of embedded videos

Author: afeld

assignments/open_ended.md

@@ -107,7 +107,7 @@ sheet = sheets.InteractiveSheet(url=sheet_url, include_column_headers=True)
 df = sheet.as_df()
 ```
 
-<iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/D5MUsMim_is?start=242" 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>
+<iframe src="https://www.youtube-nocookie.com/embed/D5MUsMim_is?start=242" 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 style="aspect-ratio: 16 / 9;"></iframe>
 
 ### Reading files in Python
 

lecture_0.ipynb

@@ -726,8 +726,8 @@
       "text/html": [
        "\n",
        "        <iframe\n",
-       "            width=\"640\"\n",
-       "            height=\"360\"\n",
+       "            width=\"560\"\n",
+       "            height=\"315\"\n",
        "            src=\"https://www.youtube.com/embed/cDA3_5982h8\"\n",
        "            frameborder=\"0\"\n",
        "            allowfullscreen\n",
@@ -736,7 +736,7 @@
        "        "
       ],
       "text/plain": [
-       "<IPython.lib.display.IFrame at 0x107081bd0>"
+       "<IPython.lib.display.IFrame at 0x10a699fa0>"
       ]
      },
      "execution_count": 1,
@@ -747,7 +747,7 @@
    "source": [
     "from IPython.display import IFrame\n",
     "\n",
-    "IFrame(\"https://www.youtube.com/embed/cDA3_5982h8\", width=640, height=360)"
+    "IFrame(\"https://www.youtube.com/embed/cDA3_5982h8\", width=560, height=315)"
    ]
   },
   {