Lower Camel Case: function, method, variable, constant Upper Camel Case: class, struct, enum, extension /// for logging - print - dump: description property 까지 출력. /// String Interpolation import Swift let age: Int = 10 print("Hello! I am \(age) years old") print("Hello! I am \(age + 1) years old") /// constant: let, variable: var let name: type = value var name: type = value type 이 명확하다면 type 은..