Function - 1 : Basic

// FUNCTION
//1. function with no argument & return type

func showData()
{
print("No return type")
}

 showData()

//2.  function with single argument & no return type
func getSingleArgument(name : String)
{
print(name)
}
getSingleArgument(name : "India")

//3.  function with single argument & return type
func getSingleArgumentReturn(rocket_name : String) -> String
{
return rocket_name
}
print(getSingleArgumentReturn(rocket_name : "PSLV-37"))

//4.  function with multiple argument & single return
func getMultirgumentSingleReturn(i : Int, j : Int ) -> Int
{
return i+j
}
print(getMultirgumentSingleReturn(i : 37, j : 63))

//5.  function with multiple argument & multiple return
func getMultirgumentReturn(i : Int, j : Int ) -> (Int,Int)
{
return (i,j)
}
print(getMultirgumentReturn(i : 37, j : 63))