Getting Started Submission

Student Resources/1 - Getting Started/1 - Introduction to Swift and Playgrounds/lab/Lab - Introduction.playground/Contents.swift

@@ -12,11 +12,15 @@ print("How to use playgrounds to make writing Swift fun and simple")
 /*:
  Now print your own phrases to the console. Pick one of your favorite songs. Use your knowledge of the `print` function to display the song title and artist.
  */
+ print("Sway, Michael Buble")
 
 
 /*:
  Use multiple `print` functions to write out some of the lyrics to the song.
  */
-
+print("When marimba rhythms start to play")
+print("Dance with me, make me sway")
+print("Like a lazy ocean hugs the shore")
+print("Hold me close, sway me more")
 
 //:page 14 of 16  |  [Next: Exercise: Go! Fight! Win!](@next)

Student Resources/1 - Getting Started/1 - Introduction to Swift and Playgrounds/lab/Lab - Introduction.playground/Pages/1. Exercise - Use Playgrounds.xcplaygroundpage/Contents.swift

@@ -11,12 +11,16 @@ print("How to use playgrounds to make writing Swift fun and simple")
  Now print your own phrases to the console. Pick one of your favorite songs. Use your knowledge of the `print` function to display the song title and artist.
  */
 
+ print("Sway, Michael Buble")
+
 
 /*:
  Use multiple `print` functions to write out some of the lyrics to the song.
  */
-
-
+print("When marimba rhythms start to play")
+print("Dance with me, make me sway")
+print("Like a lazy ocean hugs the shore")
+print("Hold me close, sway me more")
 
 /*:
 

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Contents.swift

@@ -3,27 +3,30 @@
 
  Declare a constant called `friends` to represent the number of friends you have on social media. Give it a value between 50 and 1000. Print out the value by referencing your constant.
  */
-
+let friends = 75
 
 /*:
  Now assume you go through and remove a lot of your friends that aren't active on social media. Update your `friends` constant to a lower number than it currently is between 1 and 900.
  */
-
+//friends = 50
 
 /*:
  Does the above code compile? Why not? Print your explanation to the console using the `print` function. Go back and delete your line of code that updates the `friend` constant to a lower number so that the playground will compile properly.
  */
-
+print("You can not change a value of a constant, switch to var to make it mutable")
 
 /*:
  Declare a variable `age` and set it to your own age. Print `age` to the console.
  */
-
+var age = 26
+print(age)
 
 /*:
  Now pretend you just had a birthday, and update the `age` variable accordingly. Print `age` to the console.
  */
 
+age = 27
+print(age)
 /*:
 
  */
@@ -32,19 +35,108 @@
 /*:
  Create a double variable with a value of 1.1. Update it to 2.2, 3.3, and 4.4. Print out the value after each assignment (again by referencing the variable you created).
  */
-
+var x = 1.1
+print(x)
+x = 2.2
+print(x)
+x = 3.3
+print(x)
+x = 4.4
+print(x)
 
 /*:
  Create a Boolean variable and set it to `true`. Print the variable, then assign it a value of `false`, and print it again.
  */
-
+var y = true
+print(y)
+y = false
+print(y)
 
 /*:
  Create two variables: one with a value of 0, the other with a value of 0.0. Try to assign the second variable to the first, and you'll receive an error. Add the necessary type annotation to allow the second variable to be assigned to the first.
  */
+var x1 = 0
+var x2 = 0.0
+x1 = Int(x2)
+
+/*:
+ Create a variable integer with a value of 1,000,000,000. Format it using commas, so it's easier to read.
+ */
+ var z = 1000000000
+
+import Foundation
+let numberFormatter = NumberFormatter()
+numberFormatter.numberStyle = .decimal
+print(numberFormatter.string(from: NSNumber(value:z))!)
+
+/*:
+ ## Exercise - Constants
+
+ Declare a constant called `friends` to represent the number of friends you have on social media. Give it a value between 50 and 1000. Print out the value by referencing your constant.
+ */
+let friends = 75
+
+/*:
+ Now assume you go through and remove a lot of your friends that aren't active on social media. Update your `friends` constant to a lower number than it currently is between 1 and 900.
+ */
+//friends = 50
+
+/*:
+ Does the above code compile? Why not? Print your explanation to the console using the `print` function. Go back and delete your line of code that updates the `friend` constant to a lower number so that the playground will compile properly.
+ */
+print("You can not change a value of a constant, switch to var to make it mutable")
 
+/*:
+ Declare a variable `age` and set it to your own age. Print `age` to the console.
+ */
+var age = 26
+print(age)
+
+/*:
+ Now pretend you just had a birthday, and update the `age` variable accordingly. Print `age` to the console.
+ */
+
+age = 27
+print(age)
+/*:
+
+ */
+
+
+/*:
+ Create a double variable with a value of 1.1. Update it to 2.2, 3.3, and 4.4. Print out the value after each assignment (again by referencing the variable you created).
+ */
+var x = 1.1
+print(x)
+x = 2.2
+print(x)
+x = 3.3
+print(x)
+x = 4.4
+print(x)
+
+/*:
+ Create a Boolean variable and set it to `true`. Print the variable, then assign it a value of `false`, and print it again.
+ */
+var y = true
+print(y)
+y = false
+print(y)
+
+/*:
+ Create two variables: one with a value of 0, the other with a value of 0.0. Try to assign the second variable to the first, and you'll receive an error. Add the necessary type annotation to allow the second variable to be assigned to the first.
+ */
+var x1 = 0
+var x2 = 0.0
+x1 = Int(x2)
 
 /*:
  Create a variable integer with a value of 1,000,000,000. Format it using commas, so it's easier to read.
  */
+ var z = 1000000000
+
+import Foundation
+let numberFormatter = NumberFormatter()
+numberFormatter.numberStyle = .decimal
+print(numberFormatter.string(from: NSNumber(value:z))!)
 

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/1. Exercise - Constants.xcplaygroundpage/Contents.swift

@@ -3,16 +3,16 @@
 
  Declare a constant called `friends` to represent the number of friends you have on social media. Give it a value between 50 and 1000. Print out the value by referencing your constant.
  */
-
+let friends = 75
 
 /*:
- Now assume you go through and remove friends that aren't active on social media. Attempt to update your `friends` constant to a lower number than it currently is. Observe what happens and then move to the next step.
+ Now assume you go through and remove a lot of your friends that aren't active on social media. Update your `friends` constant to a lower number than it currently is between 1 and 900.
  */
-
+//friends = 50
 
 /*:
  Does the above code compile? Why not? Print your explanation to the console using the `print` function. Go back and delete your line of code that updates the `friends` constant to a lower number so that the playground will compile properly.
  */
-
+print("You can not change a value of a constant, switch to var to make it mutable")
 
 //: page 1 of 10  |  [Next: App Exercise - Step Goal](@next)

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/10. App Exercise - Percent Completed.xcplaygroundpage/Contents.swift

@@ -5,12 +5,13 @@
 
  You decide that your fitness tracking app should show the user what percentage of his/her goal has been achieved so far today. Declare a variable called `percentCompleted` and set it to 0. Do not explicity assign it a type.
  */
-
+var percentCompleted : Double
+percentCompleted = 0
 
 /*:
  Imagine that partway through the day a user has taken 3,467 steps out of the 10,000 step goal. This means he/she is 34.67% of the way to his/her goal. Assign 34.67 to `percentCompleted`. Does the code compile? Go back and explicity assign a type to `percentCompleted` that will allow the code to compile.
  */
-
+percentCompleted = 34.67
 
 /*:
 

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/2. App Exercise - Step Goal.xcplaygroundpage/Contents.swift

@@ -5,11 +5,12 @@
 
  Your fitness tracking app needs to know goal number of steps per day. Create a constant `goalSteps` and set it to 10000.
  */
-
+let goalSteps = 10000
 
 /*:
  Use two `print` functions to print two separate lines to the console. The first line should say "Your step goal for the day is:", and the second line should print the value of `goalSteps` by referencing your constant.
  */
-
+print("Your step goal for the day is:")
+print(goalSteps)
 
 //: [Previous](@previous)  |  page 2 of 10  |  [Next: Exercise - Variables](@next)

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/3. Exercise - Variables.xcplaygroundpage/Contents.swift

@@ -3,16 +3,18 @@
 
  Declare a variable `schooling` and set it to the number of years of school that you have completed. Print `schooling` to the console.
  */
-
+var schooling = 19
+print(schooling)
 
 /*:
  Now imagine you just completed an additional year of school, and update the `schooling` variable accordingly. Print `schooling` to the console.
  */
-
+schooling = schooling + 1
+print(schooling)
 
 /*:
  Does the above code compile? Why is this different than trying to update a constant? Print your explanation to the console using the `print` function.
  */
-
+print("You can change the value of a variable")
 
 //: [Previous](@previous)  |  page 3 of 10  |  [Next: App Exercise - Step Count](@next)

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/4. App Exercise - Step Count.xcplaygroundpage/Contents.swift

@@ -5,11 +5,14 @@
 
 Create a variable called `steps` that will keep track of the number of steps you take throughout the day. Set its initial value to 0 to represent the step count first thing in the morning. Print `steps` to the console.
  */
-
+var steps = 0
+print(steps)
 
 /*:
  Now assume the tracker has been keeping track of steps all morning, and you want to show the user the latest step count. Update `steps` to be 2000. Print `steps` to the console. Then print "Good job! You're well on your way to your daily goal."
  */
-
+steps = 2000
+print(steps)
+print("Good job! You're well on your way to your daily goal.")
 
 //: [Previous](@previous)  |  page 4 of 10  |  [Next: Exercise - Constant or Variable?](@next)

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/5. Exercise - Constant Or Variable.xcplaygroundpage/Contents.swift

@@ -10,7 +10,11 @@
 
  For each of the metrics above, declare either a constant or a variable and assign it a value corresponding to a hypothetical post. Be sure to use proper naming conventions.
  */
-
+var numLikes = 100
+var numComments = 10
+let year = 2020
+let month = 4
+let day = 12
 
 
 

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/6. App Exercise - Constant or Variable.xcplaygroundpage/Contents.swift

@@ -13,7 +13,16 @@
  */
 
 
-
+let name = "Omnia"
+print("A user's profile name should not change")
+var age = 26
+print("The user age will automatically increment by years")
+var steps = 1286
+print("The steps count changes along the day")
+var goal = 10000
+print("The user might want to change his goal according to his progress")
+var HRate = 94
+print("The user avg heart rate might change")
 
 
 /*:

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/7. Exercise - Types and Type Safety.xcplaygroundpage/Contents.swift

@@ -3,21 +3,28 @@
 
  Declare two variables, one called `firstDecimal` and one called `secondDecimal`. Both should have decimal values. Look at both of their types by holding Option and clicking on the variable name.
  */
-
+var firstDecimal = 0.1
+var secondDecimal = 0.2
 
 /*:
  Declare a variable called `trueOrFalse` and give it a boolean value. Try to assign it to `firstDecimal` like so: `firstDecimal = trueOrFalse`. Does it compile? Print a statement to the console explaining why not, and remove the line of code that will not compile.
  */
-
+var trueOrFalse = true
+//firstDecimal = trueOrFalse
+print("we cannot assign value of type 'Bool' to type 'Double'")
 
 /*:
  Declare a variable and give it a string value. Then try to assign it to `firstDecimal`. Does it compile? Print a statement to the console explaining why not, and remove the line of code that will not compile.
  */
-
+var s = "omnia"
+//firstDecimal = s
+print("we cannot assign value of type 'String' to type 'Double'")
 
 /*:
  Finally, declare a variable with a whole number value. Then try to assign it to `firstDecimal`. Why won't this compile even though both variables are numbers? Print a statement to the console explaining why not, and remove the line of code that will not compile.
  */
-
+var n = 100
+//firstDecimal = n
+print("we cannot assign value of type 'Int' to type 'Double'")
 
 //: [Previous](@previous)  |  page 7 of 10  |  [Next: App Exercise - Tracking Different Types](@next)

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/8. App Exercise - Tracking Different Types.xcplaygroundpage/Contents.swift

@@ -6,10 +6,21 @@
 You have declared a number of constants and variables to keep track of fitness information. Declare one more variable with a boolean value called `hasMetStepGoal`.
  */
 
+ var hasMetStepGoal = true
+
 
 /*:
  When you declared a constant for goal number of steps and a variable for current step count, you likely assigned each a value in the thousands. This can be difficult to read. Redeclare this constant and variable and, when assigning each a value in the thousands, format the number so that it is more readable.
  */
+ let goal = 10000
+ var steps = 1286
+import Foundation
+
+let numberFormatter = NumberFormatter()
+numberFormatter.numberStyle = .decimal
+print(numberFormatter.string(from: NSNumber(value:goal))!)
+print(numberFormatter.string(from: NSNumber(value:steps))!)
+
 
 
 //: [Previous](@previous)  |  page 8 of 10  |  [Next: Exercise - Type Inference and Required Values](@next)

Student Resources/1 - Getting Started/2 - Constants, Variables, and Data Types/lab/Lab - Constants and Variables.playground/Pages/9. Exercise - Type Inference and Required Values.xcplaygroundpage/Contents.swift

@@ -3,21 +3,25 @@
 
  Declare a variable called `name` of type `String`, but do not give it a value. Print `name` to the console. Does the code compile? Remove any code that will not compile.
  */
-
+var name: String
+//print(name)
 
 /*:
  Now assign a value to `name`, and print it to the console.
  */
-
+name = "omnia"
+print(name)
 
 /*:
  Declare a variable called `distanceTraveled` and set it to 0. Do not give it an explicit type.
  */
-
+var distanceTraveled : Double
+distanceTraveled = 0
 
 /*:
  Now assign a value of 54.3 to `distanceTraveled`. Does the code compile? Go back and set an explicit type on `distanceTraveled` so the code will compile.
  */
-
+distanceTraveled = 54.3
+print(distanceTraveled)
 
 //: [Previous](@previous)  |  page 9 of 10  |  [Next: App Exercise - Percent Completed](@next)