How would you define variables and constants in Swift programming language?

You have to declare variables and constants before using it. Constants are declared by using let keyword and variables by var keyword.

In Swift, you declare variables using the var keyword and constants using the let keyword. Here’s an example of how you would declare a variable and a constant:

In this example, myVariable is a variable whose value can be changed later in the code, while myConstant is a constant whose value cannot be changed once it’s set.