diff --git a/MyPlayground.playground/Pages/main.xcplaygroundpage/Contents.swift b/MyPlayground.playground/Pages/main.xcplaygroundpage/Contents.swift index 09e428b..78f9415 100644 --- a/MyPlayground.playground/Pages/main.xcplaygroundpage/Contents.swift +++ b/MyPlayground.playground/Pages/main.xcplaygroundpage/Contents.swift @@ -12,7 +12,11 @@ ### 1. Write a function called `helloWorld()` that prints "Hello, world!" to the console. Then call it to see your string printed to the playground console. */ // write your code here - +func helloWorld() +{ + let message = "Hello, world!" + print(message) +} @@ -20,22 +24,34 @@ ### 2. Write your own function in which you declare a constant inside the function's body and then print that constant to the console. Call this function to see your string printed to the playground console. */ // write your code here +func myFirstFunction() +{ + let message = "Hello Dolly" + print(message) +} - - +myFirstFunction() /*: question3 ### 3. Write a function that takes a person's name as an argument and prints a greeting to the console. Call it several times with different arguments. What do you think you'll see in the console? */ // write your code here - - +func printGreeting(name: String) +{ + print("Hello there \(name)") +} +printGreeting(name: "John") +printGreeting(name: "robert") /*: question4 ### 4. Now call the function you wrote in Question 3 using a variable or constant instead of a string literal. What do you expect to see in the console? Try passing in a _variable_ you declared (using `var`) as an argument. Then change that variable's value and call your function again. What do you see in the console? */ // write your code here +var nameToPrint = "James" +printGreeting(name: nameToPrint) +nameToPrint = "Mary" +printGreeting(name: nameToPrint) @@ -44,8 +60,16 @@ ### 5. Write your own function in which you declare a _variable_ (of any type) inside the function's body. Print out this variable to the console from within your function. After you print the variable once, assign a new value to this variable on the next line. Print it again (after the line on which you assign it to a new value). Call your function several times. What do you expect to see printed to the playground's console each time you call this function? */ // write your code here - - +func varScope() +{ + var insideVar = 10 + print("Inside Function: \(insideVar)") + insideVar = 20 + print("New Var: \(insideVar)") + +} +varScope() +varScope() //: Click [here](https://github.com/learn-co-curriculum/swift-functionLab-lab/blob/solution/MyPlayground.playground/Pages/solution.xcplaygroundpage/Contents.swift) for a link to the solution.