Define a method hello that returns "Hello, Name!" to a given name, or says Hello, World! if name is not given (or passed as an empty String). Assuming that name is a String and it checks for user typos to return a name with a first capital letter (Xxxx). Examples: * With `name` = "john" => return "Hello, John!" * With `name` = "aliCE" => return "Hello, Alice!" * With `name` not given or `name` =..