The file position is set to the end of the file The file position is set to the beginning of the file ...

It started with the mysterious discovery of more than a hundred turtles, some with their shells smashed, others dismembered, all of them dead. It ended with a potential warning for the future. It was ...

Which string method can I use to make sure that the phrase ‘invalid response’ only displays if the user has typed something other than ‘yes’ or ‘no’, without paying attention to their capitalization?