inserting element at first node in single linked list in c, creating node with struct keyword, allocating memory for variables using malloc() function, displaying elements in the linked list using while loop,
https://github.com/AshishJangra27/Data-Analysis-with-Python-GFG/blob/main/8.%20Null%20Values%20Handling%20-%20Categorical/Data.csv
https://github.com/AshishJangra27/Data-Analysis-with-Python-GFG/blob/main/3.%20Data%20Preprocessing%20-%20Removing%20Null%20Value%20Rows/googleplaystore.csv