Solved all About Functions Lab

MyPlayground.playground/Pages/main.xcplaygroundpage/Contents.swift

@@ -13,139 +13,117 @@
 /*: question1
  ### 1. Create a function named `frozen` which takes no arguments. When this function is called, it prints "Let it go!".
  */
-// write your code here
-
-
-
-
-
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-
-
+func frozen() {          //create a function called Frozen that takes no arguments and prints a string!
+    print("Let it go!")
+}
+frozen()
 /*: question2
  ### 2. Write a function named `frozenAgain` that takes no arguments. Declare a constant in the body of the function, and assign it the value "Let it go!". Then print it to the console.
  */
-// write your code here
-
-
-
-
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+func frozenAgain() {      //creates a function that takes no arguments
+    let catchPhrase = "Let it go!" //declare a constant of string type
+    print(catchPhrase)     //prints the constant to output
+}
+frozenAgain()
 /*: question3
  ### 3. Write a function that takes in a character's name as an argument (it can be any character from anything). What should the type of that argument be? Print the message "My favorite character is <character name>." to the screen.
  */
-// write your code here
-
-
-
-
-
+func faveCharacter (name: String) {                    //create a function that takes a string input and prints output of
+    print("My favorite character is \(name).")        // favorite character
+}
 
+faveCharacter(name: "Tarzan")                  // call the function using the input of a string
+var bestChar = "Monkey D. Luffy"                // declare a variable string for best character
+faveCharacter(name: bestChar)                   //call the function using the declared variable
 
 /*: question4
  ### 4. Call the function you wrote in Question 3 using a constant you define. Then call it using a variable. Change the value of the variable, and call it again. What do you see in the console?
  */
-// write your code here
-
-
+let anotherChar = "Zoro"                    //declare a constast of string type
+faveCharacter(name: anotherChar)            //call the function using the constant
 
+bestChar = "Goku"                           //change the variable character from Luffy to Goku
+faveCharacter(name: bestChar)               //Call the function using the newly changed variable
 
 
 
 
 /*: question5
  ### 5. Write a function that takes an integer as an argument and prints the string "I got <number> problems but Swift ain't one" to the console.
  */
-// write your code here
-
-
-
-
+func problems (quantity: Int) {                               //create a function that takes an integer as an argument
+    print("I got \(quantity) problems but Swift ain't one")   // and prints a string as output by calling on the input
+}
 
+problems(quantity: 99)                               //calling on the function with the proper handle
 
 
 
 /*: question6
  ### 6. Write a function that takes two arguments, the name of a band (a `String`) and a number (an `Int`). It should print the message "My #<number> favorite band is <band>." to the console.
  */
-// write your code here
-
-
-
-
+func preferences (band: String, num: Int) {             //create a function that takes 2 inputs, a string and a int
+    print("My #\(num) favorite band is \(band).")       //prints an output using the 2 inputs
+}
 
+preferences(band: "Linkin Park", num: 1)                //calling the function with the proper handles
 
 /*: question7
  ### 7. The code below is broken. Can you identify which line has an error and fix it so that it works again? Uncomment the code below before starting.
  */
-//func badFavoriteBand(bandName: String, position: Int) {
-//    print("My #\(position) favorite band is \(bandName).")
-//}
-//
-//badFavoriteBand("The Beatles", 2)
-
-
-
-
-
+func badFavoriteBand(bandName: String, position: Int) {
+    print("My #\(position) favorite band is \(bandName).")
+}
 
+badFavoriteBand(bandName: "The Beatles",position: 2)   //the problem was in this line, you must tell the function the input
+                                                       //variable/constant name before stating them
 
 /*: question8
  ### 8. This code is broken, too. Assume the call to the function is correct. What's broken about the function definition? Can you fix it? Uncomment the code below before starting.
  */
-//func alsoBadFavoriteBand(bandName: String, position: String) {
-//    print("My #\(position) favorite band is \(bandName)")
-//}
-//
-//alsoBadFavoriteBand(bandName: "Blink-182", position: 42)
-
-
-
-
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+func alsoBadFavoriteBand(bandName: String, position: Int) {  //the problem was in this line. Originally, xcode is expecting
+   print("My #\(position) favorite band is \(bandName)")     // 2 strings to be inputted, however, we really meant to put a
+}                                                            // string and an int.
 
+alsoBadFavoriteBand(bandName: "Blink-182", position: 42)
 
 /*: question9
  ### 9. Let's play Mad Libs! Create a function called `madLib`. It should take three parameters: A character name, a noun, and a preposition, and print out the line "To <noun> and <preposition>, <character name>!" to the console. Don't forget to call your function to test it out!
  */
-// write your code here
-
-
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-
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+func madLib (charName: String, noun: String, prep: String) {
+    print("To \(noun) and \(prep), \(charName)!")
+}
 
+madLib(charName: "Buzz Lightyear", noun: "infinity", prep: "under")
 
 /*: question10
  ### 10. Create a function that takes no arguments and returns the string "Buzz Lightyear to the rescue!"
  */
-// write your code here
-
-
-
-
-
+func statement ()-> String {
+    return "Buzz Lightyear to the rescue!"
+}
 
+print(statement())
 
 /*: question11
  ### 11. Create a function that takes no arguments and returns any number.
  */
-// write your code here
-
-
-
-
-
+func anyNumber () -> Int {
+    return 98
+}
 
+print(anyNumber())
 /*: question12
  ### 12. Create a function that takes in a characters name. This function will return back a `String` as follows: "To infinity and beyond, <character name>!". The character name should be returned uppercased.
  */
-// write your code here
-
+func motto (name: String) -> String {
+    return "To infinity and beyond, \(name)!"
+}
 
+let character = "Woody Woodpecker"
+var famousMotto = motto(name: character.uppercased())
 
+print(famousMotto)