How can we identify which lines of code belong to a function? Curly Brackets 0 Square Brackets [] Indentation All of the above When is the except block executed in a program? When an exception is thrown anywhere in the program When an exception is thrown in the try block Only when there are no exceptions in the program Always How do you start writing an if statement in Python? if x>y if (x>y) if x>y; if (x>y){ Which one is NOT a proper variable identifier? mynar My_var Myar my-var