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The first thing we do in any programming language is create variables. So lets get started. In Swift we do this by using a keyword “var“. The variable name is generally camelCased using lowercase first letter, e.g areaOfCircle; preimeterOfSquare; surfaceArea etc.
var areaOfCircle = 200.45
var radiusOfCircle = 50
The first question you will have is do we need to mention its type before we assign a …