Created and completed the all homework project

01 Playground Basics/PlaygroundBasics.playground/Pages/Calculations.xcplaygroundpage/Contents.swift

@@ -20,3 +20,17 @@
 //: Next, learn how programmers can leave notes in code.
 //:
 //:[Previous](@previous)  |  page 3 of 7  |  [Next: Comments](@next)
+23 + 45 + 33
+
+67 - 44
+
+7 * 88
+
+69 / 69
+
+(67 + 77 + 55 + 44 ) / 8
+
+
+
+
+

01 Playground Basics/PlaygroundBasics.playground/Pages/Comments.xcplaygroundpage/Contents.swift

@@ -7,15 +7,9 @@
 //: 
 //: A comment starts with two slashes `//` :
 // This is a comment; it does not affect the code
-34 + 56 + 230
+34 + 56 + 230 //don't forget to add 230
 //: Because comments are ignored, no result is displayed in the results bar for that line of code.
-// 200 + 34 + 45
-//: - experiment:\
-//: Try _commenting out_ the calculation `34 + 56 + 230` by adding two slashes to the beginning of the calculation.\
-//:Try _uncommenting_ the calculation `200 + 34 + 45` by deleting the two slashes.\
-//:Edit some of the existing expressions and add a few of your own.\
-//:Notice that every time you make a change the results are updated in the sidebar.
-//:
-//: Take a deep breath and move on to the next page.
-//:
-//:[Previous](@previous)  |  page 4 of 7  |  [Next: When Things Go Wrong 😰](@next)
+ 200 + 34 + 45
+
+
+//this is a addtion operation 

01 Playground Basics/PlaygroundBasics.playground/Pages/Errors.xcplaygroundpage/Contents.swift

@@ -3,7 +3,7 @@
 //: This playground page, for example, has an error in it.
 //:
 //: 👈 Notice the red error symbol to the left of the line below. This is how a playground tells you where a problem is.
-1000 / 0
+1000 / 2000
 //: Since there is an error, the playground stops running your code.\
 //: Notice that there are no results displayed in the sidebar. 👉
 2 + 2

01 Playground Basics/PlaygroundBasics.playground/Pages/What Is a Playground?.xcplaygroundpage/Contents.swift

@@ -28,5 +28,8 @@ Next, find out how to put the results sidebar to better use.
  [Previous](@previous)  |  page 2 of 7  |  [Next: Calculations](@next)
 */
 
+23
+
+54
 
 

02 Naming and Indentifiers/Naming.playground/Pages/09-ExerciseShow.xcplaygroundpage/Contents.swift

@@ -22,7 +22,32 @@
 (150 * 10) - (1000 + 40)
 //: - callout(Exercise): Using the code above as a reference, use let statements to define constants to better solve your friend’s problem.\
 //:Add your code below. To help you get started, the constant `numberOfTickets` is already defined. 
+
 let numberOfTickets = 150
 
+let ticketPrice = 10
+
+let roomRentalFee = 1000
+
+let posterCost = 40
+
+let totalTicketValue = 150 * 10
+
+let totalExpenses = 1000 + 40
+
+let totalIncomeOfShow = (150 * 10) - (1000 + 40)
 //:
 //:[Previous](@previous)  |  page 10 of 14  |  [Next: Exercise: Lottery Tickets](@next)
+let numberOfTickets2 = 150
+
+let ticketPrice2 = 10
+
+let roomRentalFee2 = 1000
+
+let posterCost2 = 40
+
+let totalTicketValue2 = 150 * 10
+
+let totalExpenses2 = 1000 + 40
+
+let totalIncomeOfShow2 = (150 * 10) - (1000 + 40)

02 Naming and Indentifiers/Naming.playground/Pages/10-ExerciseLottery.xcplaygroundpage/Contents.swift

@@ -5,29 +5,27 @@
  Another reason that naming things and only setting a value once is useful is that it lets you decide on the correct way of calculating something, then change the values and check the answers.
 */
 // Values you should edit
+// Incoms
 let ticketsSold = 1000
-let ticketPrice = 1
+let ticketPrice = 2
+
+// Expenses
 let printingCosts = 20
 let advertising = 50
-/*:
- - callout(Exercise): You’ve done enough work for free for your friend. For this venture, your friend will give you a cut of the profits in return for your help. Your friend will give you a tenth of the profits. The jackpot is half of the total ticket sales money. Try changing the numbers above - tickets sold, ticket price, printing or advertising costs and see if you can get your cut up to 100 or more.
 
- The calculations below are fixed, but you can change the results by changing the numbers above:
-*/
+//:[Previous](@previous)  |  page 11 of 14  |  [Next: Exercise: What Fits on Your iPhone?](@next)
 // Total takings
-let totalTakings = ticketPrice * ticketsSold
+let totalTicketsIncome = ticketsSold * ticketPrice
 
 // Jackpot
-let jackpot = totalTakings / 2
+let jackpot = totalTicketsIncome / 2
 
 // Expenses
 let totalExpenses = printingCosts + advertising
 
 // Profit
-let profit = totalTakings - jackpot - totalExpenses
+let profit = totalTicketsIncome / totalExpenses
 
 // Distribution
-let programmersCut = profit / 10 // This is the answer you want to get over 100! 👉 
+let programmersCut = profit / 10 // This is the answer you want to get over 100! 👉
 let friendsCut = profit - programmersCut
-
-//:[Previous](@previous)  |  page 11 of 14  |  [Next: Exercise: What Fits on Your iPhone?](@next)

02 Naming and Indentifiers/Naming.playground/Pages/11-ExerciseiPhone.xcplaygroundpage/Contents.swift

@@ -16,6 +16,11 @@
  _Hint_: Do all of your calculations in megabytes (MB).
 */
 
+let iPhoneStorageInMegaBites = 8 * 1000
+let iPhoneStorageUsedInMegaBites = 3 * 1000
+let OneMinuteOfVideoUsedInMegaBites = 150
+
+let minutesToFillThePhone = (iPhoneStorageInMegaBites - iPhoneStorageUsedInMegaBites) / OneMinuteOfVideoUsedInMegaBites
 
 
 

02 Naming and Indentifiers/Naming.playground/Pages/12-ExerciseMorning.xcplaygroundpage/Contents.swift

@@ -6,26 +6,46 @@
  - callout(Exercise): Create a constant for each activity you do in the morning before leaving home: things like `brushTeeth`, `uploadPhotos`, `chooseClothes`, `shower`, `goJogging`, `finishHomework`, `fixLunch`, and so on. Think about how many minutes each activity usually takes, and assign that value to each constant.
  */
 let brushTeeth = 3
-// Add more here...
+let upLoadPhotos = 5
+let chooseClothes = 4
+let shower = 10
+let goJogging = 50
+let finishHomeWork = 30
+let fixlunch = 10
 
-//: - callout(Exercise): Find the total time of all the activities by adding up the constants. Try to adjust the values or add more activities until the total time looks reasonably close to the actual amount of time you spend getting ready on an average day.
 
+//: - callout(Exercise): Find the total time of all the activities by adding up the constants. Try to adjust the values or add more activities until the total time looks reasonably close to the actual amount of time you spend getting ready on an average day.
+let totalTime = brushTeeth + upLoadPhotos + chooseClothes + shower + goJogging + finishHomeWork + fixlunch
 
 
 //: - callout(Exercise): Add up the constants again, but this time in separate groups: one group for things you have to do and another group for things you like to do.\
 //:\
 //:If there are things you don’t have to do and don't like to do, make a third group and go ahead and sum that one, too. \
 //:\
 //:Make a new constant for each group.
+let thingsIHaveToDo = brushTeeth + upLoadPhotos + shower + finishHomeWork
+let thingsILikeToDo = chooseClothes + goJogging + fixlunch
 
+let totalTime2 = thingsIHaveToDo + thingsILikeToDo
 
 
 /*:
  See what happens to your total time spent getting ready if you tweak the durations of the different activities. How short of a shower would you have to take in order to have more time to message your friends? Or go for a longer run? How much more time would you need if you decided to spend as long as you wanted doing all the activities you like best?
 
  Change the numbers until you’ve got a design for your ideal morning. What would have to change in order for you to be able to actually spend your morning time this way?
 */
-
+let brushTeeth2 = 4
+let upLoadPhotos2 = 5
+let chooseClothes2 = 4
+let shower2 = 9
+let goJogging2 = 40
+let finishHomeWork2 = 35
+let fixlunch2 = 5
+
+let thingsIHaveToDo2 = brushTeeth2 + upLoadPhotos2 + shower2 + finishHomeWork2
+let thingsILikeToDo2 = chooseClothes2 + goJogging2 + fixlunch2
+
+let totalTime3 = thingsIHaveToDo2 + thingsILikeToDo2
 
 
 

02 Naming and Indentifiers/Naming.playground/Pages/13-ExerciseNaming.xcplaygroundpage/Contents.swift

@@ -24,7 +24,16 @@ let rhso = co - lhso
 
 
 //: - experiment: Rewrite the code so that it makes sense without needing a note. Use meaningful names and comments.
-
+let countOrange = 14
+let countWatermelons = 3
+let orangeWeigh = 100
+let watermelonsWeigh = 200
+let truckOrange = countOrange * orangeWeigh
+let truckWatermelons = countWatermelons * watermelonsWeigh
+let trucktotal = truckOrange + truckWatermelons
+let eachSide = trucktotal / 2
+let leftHandSide = eachSide / orangeWeigh
+let rightHandSide = countOrange - leftHandSide
 
 
 

02 Naming and Indentifiers/Naming.playground/Pages/Identifiers.xcplaygroundpage/Contents.swift

@@ -12,9 +12,15 @@ let numberOfTurtles = 2 + 1
 
 let numberOfHamsters = 1 + 1
 
-let totalNumberOfAnimals = numberOfDogs + numberOfCats + numberOfTurtles + numberOfHamsters
+let numberOfPotBelliedPig = 1
 
-let totalNumberOfMammals = numberOfDogs + numberOfCats + numberOfHamsters
+let numberOfFish = 1
+
+let numberOfSnake = 1
+
+let totalNumberOfAnimals = numberOfDogs + numberOfCats + numberOfTurtles + numberOfHamsters + numberOfPotBelliedPig + numberOfFish + numberOfSnake
+
+let totalNumberOfMammals = numberOfDogs + numberOfCats + numberOfHamsters + numberOfPotBelliedPig
 
 //: - experiment: There are even more changes in the pets expected at the pet show.\
 //:To add new kinds of animals, add new lines of code that define new constants. (To add a new line of code just click on a blank line in the area above and start typing.)
@@ -27,3 +33,20 @@ let totalNumberOfMammals = numberOfDogs + numberOfCats + numberOfHamsters
 //: Next, learn about choosing names. 
 //:
 //:[Previous](@previous)  |  page 6 of 14  |  [Next: Choosing Good Names](@next)
+let numberOfDogs2 = 6 + 2
+
+let numberOfCats2 = 5 - 1
+
+let numberOfTurtles2 = 2 + 1
+
+let numberOfHamsters2 = 1 + 1
+
+let numberOfPotBelliedPig2 = 1
+
+let numberOfFish2 = 1
+
+let numberOfSnake2 = 1
+
+let totalNumberOfAnimals2 = numberOfDogs + numberOfCats + numberOfTurtles + numberOfHamsters + numberOfPotBelliedPig + numberOfFish + numberOfSnake
+
+let totalNumberOfMammals2 = numberOfDogs + numberOfCats + numberOfHamsters + numberOfPotBelliedPig

02 Naming and Indentifiers/Naming.playground/Pages/Naming Things.xcplaygroundpage/Contents.swift

@@ -6,13 +6,13 @@
 //: In Swift, you can choose a name and associate it with a value by defining a _constant_. You’ll explore constants in more detail later in the course. For now, it’s enough to know that constants are a fundamental way of naming values in Swift.
 //:
 //: Use the word `let` followed by a name to define a constant and the equal sign `=` to give a value to the constant:
-let numberOfDogs = 6
+let numberOfDogs = 6 + 2
 
-let numberOfCats = 5
+let numberOfCats = 4
 
-let numberOfTurtles = 2
+let numberOfTurtles = 3
 
-let numberOfHamsters = 1
+let numberOfHamsters = 2
 
 //: After you’ve defined a constant and assigned a value to it, you can use the constant wherever you would have used the value, including in mathematical calculations that define the value of a new constant:
 
@@ -35,3 +35,14 @@ let totalNumberOfMammals = numberOfDogs + numberOfCats + numberOfHamsters
 //: Once you’re finished experimenting, move ahead.
 //:
 //:[Previous](@previous)  |  page 4 of 14  |  [Next: Typing Names and Autocompletion](@next)
+let numberOfDogs2 = 6 + 2
+
+let numberOfCats2 = 4
+
+let numberOfTurtles2 = 3
+
+let numberOfHamsters2 = 2
+
+let totalNumberOfAnimals2 = numberOfDogs + numberOfCats + numberOfTurtles + numberOfHamsters
+
+let totalNumberOfMammals2 = numberOfDogs + numberOfCats + numberOfHamsters

02 Naming and Indentifiers/Naming.playground/Pages/Pet Problem Recap.xcplaygroundpage/Contents.swift

@@ -28,3 +28,20 @@
 //: Next you’ll find out how to do that.
 //:
 //:[Previous](@previous)  |  page 3 of 14  |  [Next: Naming Things](@next)
+// Number Of Dogs
+6
+
+// Number Of Cats
+5
+
+// Number Of Turtles
+2
+
+// Number Of Hamsters
+1
+
+// Total Number Of Animals
+6 + 5 + 2 + 1
+
+// Total Number Of Mammals
+6 + 5 + 1

02 Naming and Indentifiers/Naming.playground/Pages/Pet Problem.xcplaygroundpage/Contents.swift

@@ -6,19 +6,22 @@
 //:
 //: Using what you know so far, you could keep track of the count for each animal using a comment and a number, like this:
 // Number Of Dogs
-5
+6
 
 // Number Of Cats
-4
+5
 
 // Number Of Turtles
-3
+2
+
+// Number Of Hamsters
+1
 //: Then you could copy those numbers onto new lines of code and let the playground do some math for you, like this:
 // Total Number Of Animals
-5 + 4 + 3
+6 + 5 + 2 + 1
 
 // Total Number Of Mammals
-5 + 4
+6 + 5 + 1
 //: - experiment: As the week goes on, you get more information about what pets will be in the show.\
 //:Change the code above to update the totals.
 //:
@@ -34,3 +37,20 @@
 //:  Could there be a better way to solve this problem? Think about it for a minute or two, then move on.
 //:
 //:[Previous](@previous)  |  page 2 of 14  |  [Next: Pet Problem Recap](@next)
+// Number Of Dogs
+6
+
+// Number Of Cats
+5
+
+// Number Of Turtles
+2
+
+// Number Of Hamsters
+1
+
+// Total Number Of Animals
+6 + 5 + 2 + 1
+
+// Total Number Of Mammals
+6 + 5 + 1

02 Naming and Indentifiers/Naming.playground/contents.xcplayground

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='ios' display-mode='rendered' executeOnSourceChanges='true'>
+<playground version='6.0' target-platform='macos' display-mode='rendered' executeOnSourceChanges='true'>
     <pages>
         <page name='Introduction'/>
         <page name='Pet Problem'/>

03 Strings/Strings.playground/Pages/Combining Strings.xcplaygroundpage/Contents.swift

@@ -21,16 +21,18 @@ let finishedMessage = username + " " + likesYourPostMessage
 //:Combine your `firstName` and `likesYourPostMessage`\
 //:Type each line of code below the relevant comment below.
 // Declare a firstName constant
-
+let FirstName = "mohammed"
 
 // Declare a lastName constant
-
+let LastName = "aloqbi"
 
 // Combine the strings into a fullName constant
-
+let fullName = FirstName + LastName
 
 // Combine your first name with likesYourPostMessage
+let LikesYourNameMessage = "wow"
 
+let textMessage = FirstName + " " + LikesYourNameMessage 
 
 //: Next, find out how building strings by adding them can get complicated.
 //:

03 Strings/Strings.playground/Pages/Defining Strings.xcplaygroundpage/Contents.swift

@@ -5,14 +5,12 @@ let heightInCentimeters = 7817
 let favoriteBook = "The Sun Also Rises"
 
 let traditionalGreeting = "Hello, world!"
-//: The declared string values also appear in the results sidebar. 👉
-//: - experiment: Practice by declaring `favoriteMovie` and `favoriteSong` string constants for your favorite movie and song:
-// Declare a favoriteMovie constant
-
-
-// Declare a favoriteSong constant
-
 
 //: Next, take a string-based trip around the world.
 //:
 //:[Previous](@previous)  |  page 3 of 16  |  [Next: Unicode](@next)
+// Declare a favoriteMovie constant
+let favouriteMovie = "Schindler's List"
+
+// Declare a favoriteSong constant
+let favouriteSong = "Hozier-Movement"