Function $3$: character$\_$luck$\_$list

The function takes the name of the file where the data is stored and a luck value as input parameters. The function returns a list of characters $($stored as a dictionary$)$ whose luck is less than the value provided as an input parameter. The keys of the dictionary are the labels for all attributes in the spreadsheet except "Luck". If the luck value provided is not on the file, the function returns an empty list. See below for the sample output of the function:

Example: