Austin Andrade

day_1/README.md

@@ -48,21 +48,21 @@ This will open the day_1 directory in Atom. You should be able to see the direct
 
 1. Check off the items below as you complete the steps you just read for each lesson. ***Remember to create a file containing your work for each lesson!***
 
-    - [ ] [A Good First Program](https://learnrubythehardway.org/book/ex1.html)
+    - [x] [A Good First Program](https://learnrubythehardway.org/book/ex1.html)
 
-    - [ ] [Comments in Code](https://learnrubythehardway.org/book/ex2.html)
+    - [x] [Comments in Code](https://learnrubythehardway.org/book/ex2.html)
 
-    - [ ] [Numbers and Math](https://learnrubythehardway.org/book/ex3.html)
+    - [x] [Numbers and Math](https://learnrubythehardway.org/book/ex3.html)
 
-    - [ ] [Variables and Names](https://learnrubythehardway.org/book/ex4.html)
+    - [x] [Variables and Names](https://learnrubythehardway.org/book/ex4.html)
 
-    - [ ] [Strings](https://learnrubythehardway.org/book/ex5.html)
+    - [x] [Strings](https://learnrubythehardway.org/book/ex5.html)
 
-    - [ ] [More Strings](https://learnrubythehardway.org/book/ex6.html)
+    - [x] [More Strings](https://learnrubythehardway.org/book/ex6.html)
 
-    - [ ] [Asking for Input](https://learnrubythehardway.org/book/ex11.html)
+    - [x] [Asking for Input](https://learnrubythehardway.org/book/ex11.html)
 
-    - [ ] Have you created 7 `ex.rb` files with your code in them?
+    - [x] Have you created 7 `ex.rb` files with your code in them?
 
 1. Work through the [Strings](http://tutorials.jumpstartlab.com/projects/ruby_in_100_minutes.html#3.-strings) and [Numbers](http://tutorials.jumpstartlab.com/projects/ruby_in_100_minutes.html#5.-numbers) sections from Ruby in 100 Minutes. For each of these sections, open an `irb` session by typing `irb` into your terminal and type in the code snippets provided.
 

day_1/ex1.rb

@@ -0,0 +1,7 @@
+puts "Hello World!"
+puts "Hello Again"
+puts "I like typing this."
+puts "This is fun."
+puts "Yay! Printing."
+puts "I'd much rather you 'not'."
+puts "I 'said' do not touch this."

day_1/ex2.rb

@@ -0,0 +1,2 @@
+puts "I could have code like this."
+puts "This will run."

day_1/ex3.rb

@@ -0,0 +1,25 @@
+puts "I will now count my chickens:"
+
+#Adds 25 to 30/6
+puts "Hens #{25 + 30 / 6}"
+
+puts "Roosters #{100 - 25 * 3 % 4}"
+
+puts "Now I will count the eggs:"
+
+puts "#{3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6}"
+
+puts "Is it true that 3 + 2 < 5 - 7?"
+
+puts "#{3 + 2 < 5 - 7}"
+
+puts "What is 3 + 2? #{3 + 2}"
+puts "What is 5 - 7? #{5 - 7}"
+
+puts "Oh, that's why it's false."
+
+puts "How about some more."
+
+puts "Is it greater? #{5 > -2}"
+puts "Is it greater or equal? #{5 >= -2}"
+puts "Is it less or equal? #{5 <= -2}"

day_1/ex4.rb

@@ -0,0 +1,15 @@
+cars = 100
+space_in_car = 4.0
+drivers = 30
+passengers = 90
+cars_not_driven = cars - drivers
+cars_driven = drivers
+carpool_capacity = cars_driven * space_in_car
+average_passengers_per_car = passengers / cars_driven
+
+puts "There are #{cars} cars available."
+puts "There are only #{drivers} drivers available."
+puts "There will be #{cars_not_driven} empty cars today."
+puts "We can transport #{carpool_capacity} people today."
+puts "We have #{passengers} to carpool today."
+puts "We need to put about #{average_passengers_per_car} in each car."

day_1/ex5.rb

@@ -0,0 +1,16 @@
+name = 'Zed A. Shaw'
+age = 35 # not a lie in 2009
+height = 74 # inches
+weight = 180 # Ibs
+eyes = 'Blue'
+teeth = 'White'
+hair = 'Brown'
+
+puts "Let's talk about #{name}."
+puts "He's #{height} inches tall."
+puts "He's #{weight} pounds heavy."
+puts "Actually that's not too heavy."
+puts "He's got #{eyes} eyes and #{hair} hair."
+puts "His teeth are usually #{teeth} depending on the coffee."
+
+puts "If I add #{age}, #{height}, and #{weight} I get #{age + height + weight}."

day_1/ex6.rb

@@ -0,0 +1,21 @@
+types_of_people = 10
+x = "There are #{types_of_people} types of people."
+binary = "binary"
+do_not = "don't"
+y = "Those who know #{binary} and those who #{do_not}."
+
+puts x
+puts y
+
+puts "I said: #{x}."
+puts "I also said: '#{y}'."
+
+hilarious = false
+joke_evaluation = "Isn't that joke so funny?! #{hilarious}"
+
+puts joke_evaluation
+
+w = "This is the left side of..."
+e = "a string with a right side."
+
+puts w + e

day_1/ex7.rb

@@ -0,0 +1,8 @@
+print "How old are you? "
+age = gets.chomp
+print "How tall are you? "
+height = gets.chomp
+print "How much do you weigh? "
+weight = gets.chomp
+
+puts "So you're #{age} old, #{height} tall and #{weight} heavy."

day_1/exercises/interpolation.rb

@@ -15,11 +15,11 @@
 speedy = "quick red fox"
 slow_poke = "lazy brown dog"
 
-p # YOUR CODE HERE
+p "The #{speedy} jumped over the #{slow_poke}"
 
 # Write code that uses the variables below to form a string that reads
 # "In a predictable result, the tortoise beat the hare!":
 slow_poke = "tortoise"
 speedy = "hare"
 
-# YOUR CODE HERE
+p "In a predictable result, the #{slow_poke} beat the #{speedy}!"

day_1/exercises/loops.rb

@@ -10,9 +10,11 @@
 
 # Write code that prints the sum of 2 plus 2 seven times:
 7.times do
-  # YOUR CODE HERE
+  p "#{2 + 2}"
 end
 
 # Write code that prints the phrase 'She sells seashells down by the seashore'
 # ten times:
-# YOUR CODE HERE
+10.times do
+  p "She sells seashells down by the seashore"
+end

day_1/exercises/numbers.rb

@@ -7,10 +7,10 @@
 p 2 + 2
 
 # Write code that prints the result of 7 subtracted from 83:
-p #YOUR CODE HERE
+p 83 - 7
 
 # Write code that prints the result of 6 multiplied by 53:
-# YOUR CODE HERE
+p 6 * 53
 
 # Write code that prints the result of the modulo of 10 into 54:
-# YOUR CODE HERE
+p 54 % 10

day_1/exercises/strings.rb

@@ -7,7 +7,7 @@
 p "Alan Turing"
 
 # Write code that prints `Welcome to Turing!` to the terminal:
-p #YOUR CODE HERE
+p "Welcome to Turing!"
 
 # Write code that prints `99 bottles of pop on the wall...` to the terminal:
-# YOUR CODE HERE
+p "99 bottles of pop on the wall..."

day_1/exercises/variables.rb

@@ -1,6 +1,6 @@
 # In the below exercises, write code that achieves
 # the desired result. To check your work, run this
-# file by entering the following command in your terminal: 
+# file by entering the following command in your terminal:
 # `ruby day_1/exercises/variables.rb`
 
 # Example: Write code that saves your name to a variable and
@@ -11,19 +11,18 @@
 # Write code that saves the string 'Dobby' to a variable and
 # prints what that variable holds to the terminal:
 house_elf = "Dobby"
-# YOUR CODE HERE
+p house_elf
 
 # Write code that saves the string 'Harry Potter must not return to Hogwarts!'
 # and prints what that variable holds to the terminal:
-# YOUR CODE HERE
+no_harry = "Harry Potter must not return to Hogwarts!"
+p no_harry
 
 # Write code that adds 2 to the `students` variable and
 # prints the result:
 students = 22
-# YOUR CODE HERE
-p students
+p "#{students + 2}"
 
 # Write code that subracts 2 from the `students` variable and
 # prints the result:
-# YOUR CODE HERE
-p students
+p "#{students - 2}"

day_1/questions.md

@@ -2,16 +2,33 @@
 
 1. How would you print the string `"Hello World!"` to the terminal?
 
+To print the string `"Hello World!"` to the terminal, simply type
+`puts "Hello World!"`
+
 1. What character is used to indicate comments in a ruby file?
+The hashtag or octothorpe `#` character is used to indicate comments in a ruby file.
 
 1. Explain the difference between an integer and a float?
 
+An integer is a whole number ("1", "2", "3"), where a float is a decimal ("1.1", "2.2", "3.3")
+
 1. In the space below, create a variable `animal` that holds the string `"zebra"`
 
+animal = "zebra"
+
 1. How would you print the string `"zebra"` using the variable that you created above?
 
+p animal
+
 1. What is interpolation? Use interpolation to print a sentence using the variable `animal`.
 
+p "The #{animal} is one of the main meals of lions."
+
 1. What method is used to get input from a user?
 
+`gets.chomp`
+
 1. Name and describe two common string methods:
+
+`.times do` repeats the given string x amount of times.
+`.size` calculated character length of a given string.

day_2/exercises/array_methods.md

@@ -0,0 +1,7 @@
+`.each` returns one block for each element and denoting that element as a parameter.
+
+`.collect` "Returns a new array containing the values returned by the block."
+
+`.first` & `.last` returns the first and last elements noted within an array.
+
+`.shuffle` moves the elements to random positions within an array.

day_2/exercises/arrays.rb

@@ -10,31 +10,33 @@
 
 # Write code that stores an array of states in a variable,
 # then prints that array:
-states = #YOUR CODE HERE
+states = ["Ohio", "Colorado", "Wyoming"]
 p states
 
 # Write code that stores an array of foods in a variable,
 # then prints that array:
-# YOUR CODE HERE
+foods = ["Apple", "Pizza", "Coconut"]
+p foods
 
 # Example: Write code that prints the number of elements
 # in your above array of animals:
 p animals.count
 
 # Write code that prints the number of elements
 # in your above array of foods:
-# YOUR CODE HERE
+p foods.count
 
 # Write code that prints "Zebra" from your animals array:
-# YOUR CODE HERE
+p animals.first
 
 # Write code that prints the last item of your foods array:
-# YOUR CODE HERE
+p foods.last
 
 # Write code that adds "lion" to your animals array
 # and prints the result (Hint- use a method):
-# YOUR CODE HERE
+p animals << "lion"
 
 # Write code that removes the last element from your foods array
 # and prints the result (Hint- use a method):
-# YOUR CODE HERE
+foods.pop
+p foods

day_2/exercises/ex1.rb

@@ -0,0 +1,16 @@
+numbs = ["1", "2", "3", "4"]
+numbs.each { |n| print n * 2, " "}
+numbs.each { |n| print n * 3, " "}
+
+numbs = (1..4).to_a
+numbs.each { |x| puts x if x.even? }
+
+numbs = (1..4).to_a
+numbs.each { |x| puts x if x.odd? }
+
+numbs = (1..4).to_a
+numbs.map! { |a| puts 2**a }
+
+names = ["Alice Smith", "Bob Evans", "Roy Rogers"]
+names.each {|name| puts name }
+names.take(1)

day_2/exercises/ex2.md

@@ -0,0 +1,9 @@
+"&&" = and
+"| |" = or
+"!" = not
+"!=" = not equal
+"==" = equal
+">=" greater than or equal
+"<=" less than or equal
+true = true
+false = false

day_2/exercises/iteration.rb

@@ -15,14 +15,18 @@
 # "The <animal> is awesome!" for each animal:
 
 animals.each do |animal|
-  # YOUR CODE HERE
+  p "The #{animal} is awesome!"
 end
 
-# Write code that stores an array of foods in a variable, 
+# Write code that stores an array of foods in a variable,
 # then iterates over that array to print
 # "Add <food> to shopping list" for each food item:
-# YOUR CODE HERE
+foods = ["Apple", "Chicken", "Taco"]
 
-# Write code that stores an array of numbers in a variable, 
-# then iterates over that array to print doubles of each number: 
-# YOUR CODE HERE
+foods.each do |food|
+  p "Add #{food} to shopping list"
+end
+# Write code that stores an array of numbers in a variable,
+# then iterates over that array to print doubles of each number:
+numbs = ["2", "4", "6", "8"]
+numbs.each { |n| print n * 2, " "}

day_2/questions.md

@@ -2,16 +2,43 @@
 
 1. Create an array containing the following strings: `"zebra", "giraffe", "elephant"`.
 
+["zebra", "giraffe", "elephant"]
+
 1. Save the array you created above to a variable `animals`.
 
+animals = ["zebra", "giraffe", "elephant"]
+
 1. Using the array `animals`, how would you access `"giraffe"`?
 
+animals[1]
+
 1. How would you add `"lion"` to the `animals` array?
 
+p animals << "lion"
+
 1. Name and describe two additional array methods:
 
+`.take` returns the first n elements from an array.
+`.drop` returns elements after the first n elements are dropped.
+
 1. What are the boolean values in Ruby?
 
+"&&"
+"| |"
+"!"
+"!="
+"=="
+">="
+"<="
+true
+false
+
 1. In Ruby, how would you evaluate if `2` is equal to `25`? What is the result of this evaluation?
 
+2 == 25
+false
+
 1. In Ruby, how would you evaluate if `25` is greater than `2`? What is the result of this evaluation?
+
+25 > 2
+true