diff --git a/MyPlayground.playground/Pages/main.xcplaygroundpage/Contents.swift b/MyPlayground.playground/Pages/main.xcplaygroundpage/Contents.swift index 09e428b..f9f32b0 100644 --- a/MyPlayground.playground/Pages/main.xcplaygroundpage/Contents.swift +++ b/MyPlayground.playground/Pages/main.xcplaygroundpage/Contents.swift @@ -12,40 +12,57 @@ ### 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() { + print("Hello, world!") +} - - +helloWorld() /*: question2 ### 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 printConstant() { + let constant = "fizz" + print(constant) +} - - - +printConstant() /*: 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 greet(name: String) { + print("Hi, \(name)!") +} - +greet(name: "John") +greet(name: "Jane") /*: 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 cat = "Garfield" +greet(name: cat) +let dog = "Odie" +greet(name: dog) /*: question5 ### 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 sayHello() { + var x = "Mary" + print("Hello, \(x).") + x = "Michael" + print("Hello, \(x).") +} + +sayHello() //: 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.