let value1 = true
let value2 = false
let valueNot1 = !value1
//valueNot1 is false
let valueNot2 = !value2
//valueNot2 is true
let valueAnd = value1 && value2
//valueAnd is false
let valueOr = value1 || value2
//valueOr is true
print("valueNot1 is \(valueNot1)")
print("valueNot2 is \(valueNot2)")
print("valueAnd is \(valueAnd)")
print("valueOr is \(valueOr)")