I have two questions: 1) How do I check if the intersection or a range is not empty? For example if I want to check if its empty I write for exampleI have two questions: 1) How do I check if the
I have two questions: 1) How do I check if the intersection or a range is not empty? For example if I want to check if its empty I write for exampleI have two questions: 1) How do I check if the