Final QA (#644)

Author: gahjelle

polars-lazyframe/README.md

@@ -1,6 +1,6 @@
 # How to Work With Polars LazyFrames
 
-This folder contains completed notebooks and other files used in the Real Python tutorial [How to Work With Polars LazyFrames](https://realpython.com/how-to-work-with-polars-lazyframe/). 
+This folder contains completed notebooks and other files used in the Real Python tutorial [How to Work With Polars LazyFrames](https://realpython.com/polars-lazyframe/).
 
 **The following files are included:**
 

polars-lazyframe/tutorial_code.ipynb

@@ -81,7 +81,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "id": "784b7616-643a-46bc-b449-0fbc5f390178",
    "metadata": {},
    "outputs": [
@@ -133,13 +133,12 @@
     "    \"year\": [1970, 1973, 1985, 1991, 1995],\n",
     "}\n",
     "\n",
-    "lf = pl.LazyFrame(programming_languages)\n",
-    "lf.collect()"
+    "pl.LazyFrame(programming_languages).collect()"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "id": "168d4db9-87c0-4ce2-aaab-35f128a03788",
    "metadata": {},
    "outputs": [
@@ -198,8 +197,8 @@
     "    \"year\": pl.Int32,\n",
     "}\n",
     "\n",
-    "lf = pl.LazyFrame(programming_languages, schema=d_types)\n",
-    "lf.collect()"
+    "languages = pl.LazyFrame(programming_languages, schema=d_types)\n",
+    "languages.collect()"
    ]
   },
   {