Pyspark_basic_tutorial - works fine except for an spark has an update now: spark-2.4.3

[maiormarso]

https://github.com/bhattbhavesh91/Pyspark_basic_tutorial/blob/master/Pyspark_on_Google_Colab.ipynb
In the original code, it calls for spark-2.4.0, but now one must update the code to spark-2.4.3.
Otherwise the code runs and show 20 rows of data.