This function prompts the user to provide two inputs and checks the
validity of the provided inputs.
The function takes no input arguments and returns the following output:
- BinSize: The bin size in seconds for the histograms of time lists from
tweets to be plotted and exported.
- TVShowHistogram: A list indicating the TV show for which a time list
histogram will be plotted and exported. If the list empty
the histograms will be plotted for all TV shows.
If any of the provided user inputs are not valid, e.g. the input bin size,
is not a number or the specified TV show abbreviation is not included in the
list for which tweets have been downloaded, the execution of the program is