Write a snippet of code—not a function—that:

• declares a variable mark of type Char and initializes it to A
• declares a variable named grade of type Double and initializes it to 98.8
• declares a variable age of type Int and initializes it to 42
• declares a variable named summerIsOver of type Boolean and initializes it to true

Note that because Kotlin performs type inference, you can and should solve this problem without explicitly specifying any types.