Quadratic.swift Calculator program

1-hello-world/block-letters/Newlines.swift

@@ -0,0 +1,4 @@
+// Lance Adriano
+// Fun fact: I skipped third grade.
+
+print("L        A\nL       A A\nL      A   A\nL      AAAAA\nL      A   A\nL      A   A\nLLLLL  A   A")

2-variables/BMI.swift

@@ -1,3 +1,6 @@
+// Body Mass Index 🏋️‍
+// Sonny Li
+
 var height: Double = 1.85
 var weight: Double = 82
 var bmi: Double

2-variables/Temperature.swift

@@ -1,3 +1,6 @@
+// Temperature 🌡️
+// Sonny Li
+
 var tempf: Double = 83.0
 var tempc: Double = 0.0
 

2-variables/dog-years/DogYears.swift

@@ -1,4 +1,4 @@
-// Dog Years (Swift)
+// Dog Years 🐶
 // Sonny Li
 
 var dogAge: Double = 2.5

2-variables/dog-years/HumanYears.swift

@@ -0,0 +1,17 @@
+//Human Years
+//Jacob Kline
+//Much like the Dog Years program, this program only works when the human age is above the "underageYears" (21 years)
+
+//This is the human's age stored as a double
+var humanAge: Double = 21.5
+
+//This is how many dog years a human's "underage years" (first 21 years) are
+let underageYears: Double = 2
+
+//This is how many dog years a human's "later years" make up (every year of their life except their first 21)
+let adultYears: Double = (humanAge - 21) / 4
+
+//This is the total age of the human in dog years
+let dogYears: Double = underageYears + adultYears
+
+print("My Name is Jacob!  Hi hi, I am \(dogYears) years old in dog years.")

2-variables/piggy-bank/PiggyBank.swift

@@ -1,4 +1,4 @@
-// Piggy Bank (Swift)
+// Piggy Bank 🐽
 // Sonny Li
 
 var pesos: Double = 4

2-variables/quadratic-formula/Quadratic.swift

@@ -1,4 +1,4 @@
-// Quadratic Formula (Swift)
+// Quadratic Formula 📈
 // Sonny Li
 
 var a: Double = 6

3-conditionals/magic-8-ball/ProjectSolution.swift → 3-conditionals/magic-8-ball/Magic8Ball.swift

@@ -1,3 +1,6 @@
+// Magic 8-Ball 🎱
+// Galina Podstrechnaya
+
 let playerName = "Galina"
 
 let playerQuestion = "Will there be any more snowfall in New York for winter 2020? ❄️" 
@@ -31,4 +34,8 @@ switch randomNumber {
 }
 
 print("\(playerName)'s Question: \(playerQuestion)")
-print("Magic 8 Ball's answer: \(eightBall)")
+
+// Challenge:
+// playerName.isEmpty ? print("Question: \(playerQuestion)") : print("\(playerName) asks: \(playerQuestion)")
+
+print("Magic 8 Ball's answer: \(eightBall)")

4-loops/99-Bottles/Bottles.swift → 4-loops/99-bottles/Bottles.swift

@@ -1,10 +1,10 @@
 // Bottles (Swift) - Prints the full lyrics to "99 Bottles of Milk" song
 // Alex DiStasi
 
-//numBottles represents the number of bottles left on the wall
+// numBottles represents the number of bottles left on the wall
 var numBottles: Int = 99
 
-//While there are more than 0 bottles on the wall, print the song lyrics
+// While there are more than 0 bottles on the wall, print the song lyrics
 while numBottles > 0 {
 
   print ("\(numBottles) bottles of milk on the wall, \(numBottles) bottles of milk!")
@@ -17,6 +17,17 @@ while numBottles > 0 {
 
 print ("\(numBottles) bottles of milk on the wall, \(numBottles) bottles of milk!\nGo to the store and buy some more,\n99 bottles of milk on the wall!")
 
+/*
+// Solution to optional challenge 1
 
+for numBottles in stride(from: 99, to: 0, by: -1){
+  print ("\(numBottles) bottles of milk on the wall, \(numBottles) bottles of milk!")
+  print ("You take one down and pass it around...")
+  print ("\(numBottles-1) bottles of milk on the wall!")
+}
+
+print ("0 bottles of milk on the wall, 0 bottles of milk!\nGo to the store and buy some more,\n99 bottles of milk on the wall!")
+
+*/
 
 

4-loops/Five Little Monkeys/Monkeys.swift → 4-loops/99-bottles/FiveLittleMonkeys.swift

@@ -1,4 +1,4 @@
-// Monkeys.swift
+// Five Little Monkeys 🐵🙉🙊🙈🐒
 // Alex DiStasi
 // Purpose: Prints the lyrics to Five Little Monkeys song
 
@@ -11,12 +11,11 @@ while numMonkeys > 1 {
   print ("One fell off and bumped their head!")
   print ("Mama called the doctor and the doctor said")
   print ("'No more monkeys jumping on the bed!'\n")
-  // Decrease the value of numMonkeys by 1
   numMonkeys -= 1
 }
 
 // Print the final lyrics
 print ("\(numMonkeys) little monkey jumping on the bed.")
-print ("They fell off bumped their head!")
+print ("They fell off and bumped their head!")
 print ("Mama called the doctor and the doctor said")
 print ("'Put those monkeys straight to bed!'")

4-loops/Review.swift

@@ -0,0 +1,48 @@
+// Test your 🔁 skills!
+
+// First challenge:
+for num in 1...100 {
+  // If a number is fully divisible by 2, it's an even number
+  if num % 2 == 0 {
+    print("even")
+  } else {
+    print("odd")
+  }
+}
+
+
+// Second Challenge 
+// checkPrime can be changed to a positive number greater than 1
+var checkPrime = 17
+// Assume the number is prime until proven otherwise
+var isPrime = true
+for num in 2...checkPrime - 1 {  
+  // If checkPrime is fully divisible by the current number it's not a prime number
+  if checkPrime % num == 0 {
+    isPrime = false
+    break
+  }
+}
+
+print("Is \(checkPrime) a prime numer? \(isPrime)!")
+
+
+// Third Challenge 
+var counter = 0 
+for _ in "What is this a string for ants?" {
+  counter += 1
+}
+
+print("There are \(counter) characters in that string!")
+
+
+// Fourth Challenge
+// use starTracker to store the # of *s 
+var starTracker = ""
+// stopNum controls when to stop the loop
+var stopNum = 4
+
+for _ in 1...stopNum {
+  starTracker += "*" 
+  print(starTracker)
+}

4-loops/fizzbuzz/FizzBuzz.swift

@@ -1,8 +1,9 @@
+// Fizz Buzz 🐝
 // Kenny Lin
-// Solutions for FizzBuzz
 
-// while loop:
+// Using a while loop:
 var counter = 1
+
 while counter <= 100 {
   // Could also do: counter % 15 == 0
   if counter % 3 == 0 && counter % 5 == 0 {
@@ -17,7 +18,7 @@ while counter <= 100 {
   counter += 1
 }
 
-// for-in loop:
+// Using a for-in loop:
 for num in 1...100 {
   // Could also do: num % 15 == 0
   if num % 3 == 0 && num % 5 == 0 { 
@@ -71,4 +72,4 @@ for num in 1...500 {
     print(num)
   }
 }
-*/
+*/

4-loops/whale-talk/WhaleTalk.swift

@@ -1,9 +1,7 @@
+// Whale Talk 🐋
 // Kenny Lin
-// Solution for Whale Talk
 
-// Create your Whale Talk program below:
-
-var input = "I know not all that may be coming, but be it what it will, I'll go to it laughing. -Moby Dick"
+var input = "I know not all that may be coming, but be it what it will, I'll go to it laughing. - Moby Dick"
 
 var output = ""
 

5-arrays-and-sets/DNA.swift

@@ -0,0 +1,9 @@
+// DNA Sequencing 🧬
+// Sonny Li
+
+var dna = ["ATG", "ACG", "GAA", "TAT"]
+
+dna.insert("GTG", at: 3)
+dna.remove(at: 0)
+
+print(dna)

5-arrays-and-sets/NewYearNewMe.swift

@@ -0,0 +1,11 @@
+// New Year Resolutions 💪
+// Sonny Li
+
+var resolutions = ["play more music 🎸",
+                   "read more books 📚",
+                   "drink more water 💧"]
+
+resolutions.append("cook more food 🍝")
+resolutions += ["save more money 💰"]
+
+print(resolutions)

5-arrays-and-sets/RetailTherapy.swift

@@ -0,0 +1,14 @@
+// Receipt 🧾
+// Sonny Li
+
+var receipt = [12.00, 3.75, 6.50, 19.99]
+
+var total: Double = 0.0
+
+for item in receipt {
+  total += item
+}
+
+total *= 1.08875
+
+print(total)

5-arrays/caesar-cipher/CaesarCipher.swift → 5-arrays-and-sets/caesar-cipher/CaesarCipher.swift

@@ -1,4 +1,4 @@
-// Caesar Cipher (Swift)
+// Caesar Cipher 🏛
 // Sonny Li
 
 var alphabet: [Character] = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]

5-arrays/mixtape/AwesomeMixVol1.swift → 5-arrays-and-sets/mixtape/AwesomeMixVol1.swift

@@ -1,4 +1,4 @@
-// Make a Mixtape 101 📻
+// Make a Mixtape 101 📼
 // Sonny Li
 
 print(".------------------------.   ")

5-arrays/mixtape/Taylor.swift → 5-arrays-and-sets/mixtape/Taylor.swift

@@ -1,4 +1,5 @@
 // Make a Mixtape 101 📼
+// Sonny Li
 
 print(".------------------------.")
 print("| Tay Tay's Ultimate Mix |")

5-arrays/palindrome/Palindrome.swift → 5-arrays-and-sets/palindrome/Palindrome.swift

@@ -1,25 +1,18 @@
-// Palindrome
+// Palindrome 💬
 // Sonny Li
 
 var text = ["h", "e", "l", "l", "o"]
-
 var reversed = [String]()
 
 var counter = text.count - 1
 
-while(counter >= 0) {
-
+while counter >= 0 {
   reversed.append(text[counter])
   counter = counter - 1
-
 }
 
-if (text == reversed) {
-
+if text == reversed {
   print("We have a palindrome!")
-
 } else {
-
   print("\(text) is not palindrome.")
-
 }