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done with types in swift

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Original file line number	Diff line number	Diff line change
`@@ -7,16 +7,22 @@ import Foundation`
`7`	`7`	`class LightSwitch {`
`8`	`8`	`var on: Bool = true`
`9`	`9`	`var dimmer: Int = 3`
	`10`	`+ var floatDimmer: Float = 3.15`
	`11`	`+ var dobuleDimmer: Double = 3.1111554`
`10`	`12`	`}`
`11`	`13`
`12`	`14`	`var livingRoomSwitch = LightSwitch()`
`13`	`15`	`livingRoomSwitch.on`
`14`	`16`	`//: ### Example 2: Strings and Characters`
`15`	`17`	`var dollarSign: Character = "$"`
	`18`	`+var euroSign: Character = "€"`
	`19`	`+var myName: String = "divyanshu"`
`16`	`20`	`var myFirstSwiftString: String = "mo' money"`
`17`	`21`	`var mySecondSwiftString: String = "mo' problems"`
`18`	`22`	`var concatenatedString:String = myFirstSwiftString + ", " + mySecondSwiftString`
`19`	`23`
	`24`	`+type(of: euroSign)`
	`25`	`+`
`20`	`26`	`//: ### Stay tuned for more on Optionals and Tuples in the upcoming lessons!`
`21`	`27`
`22`	`28`	`//: # Operators`

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