Andrew Shafer

day_1/calculator.txt

@@ -0,0 +1,2 @@
+
+print (3.5+3)*.65

day_1/ex1.rb

@@ -0,0 +1,11 @@
+#exercise 1: A good First Program
+
+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.'
+
+#puts "another line"

day_1/ex2.rb

@@ -0,0 +1,11 @@
+#Exercise 2: Comments and Pound Characters
+
+#A comment, this is so you can read your program later.
+# Anything after the # is ignored by ruby.
+
+puts "I could have code like this." # and the comment after is ignored
+
+# You can also use a comment to "disable" or comment out a piece of code:
+# puts "This won't run."
+
+puts "This will run."

day_1/ex3.rb

@@ -0,0 +1,30 @@
+puts "I will now count my chickents:"
+
+#adds 25 to 30 devided by 6
+puts "Hens #{25.0 + 30.0 / 6.0}"
+#multiplies 24 by 3 devides that number by 4, takes the remeinder and subtracts it from 100
+puts "Roosters #{100.0 - 25.0 * 3.0 % 4.0}"
+
+puts "Now I will count the eggs:"
+
+# it takes 4, devides by 2, then it subtracts 1 devided by 4, and then adds 6, 1, 2, 3, and subtrats 5
+puts 3.0 + 2.0 + 1.0 - 5.0 +4.0 %2.0 -1.0 /4.0 +6.0
+
+puts "Is it true that 3 +2 < 5 - 7?"
+
+# prints out 3+2, and then 5-7 on a new line
+puts 3.0 + 2.0 , 5.0 - 7.0
+
+# prints the answer to the equastion as part of a string
+puts "What is 3 + 2? #{3.0+2.0}"
+# prints the answer to the equastion as part of a string
+puts "What is 5 - 7? #{5.0-7.0}"
+
+puts "Oh, that's why it's false."
+
+puts "How about some more."
+
+#these lines evaluate wheather the left number is, greater than, greater or equal to, less than or equal to the number of the right, respectivly. if it is it prints out true, if not it prints out fallse
+puts "Is it greater? #{5.0 > -2.0}"
+puts "Is it greater or equal? #{5.0 >= -2.0}"
+puts "Is it less or equal? #{5.0 <= -2.0}"

day_1/ex4.rb

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+#how many cars are there
+cars = 100
+#how many passangers a car can have
+space_in_a_car = 4.0
+#number of drivers
+drivers = 30
+#nubmer of passangers
+passengers = 90
+#the number of cars that don't get someone to drive them
+cars_not_driven = cars - drivers
+#number of cars that are driven
+cars_driven = drivers
+#number of people that can be transported
+carpool_capacity =  cars_driven * space_in_a_car
+#average_passengers_per_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

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+name = 'Zed A. Shaw'
+age = 35 # not a lie in 2009
+height = 74 #inches
+weight = 180 # lbs
+eyes = 'Blue'
+teeth = 'White'
+hair = 'Brown'
+
+height_in_centimeters = height*2.54
+weight_in_kilograms = weight*0.453592
+
+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 #{teeth} depending on the coffee."
+
+# this line is tricky, try to get it exactly right
+puts "If I add #{age}, #{height}, and #{weight} i get #{age +height + weight}."

day_1/ex6.rb

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+# Strings and Text
+#this is a number
+types_of_people = 10
+#this puts that nuber in a stinrg
+x = "There are #{types_of_people} types of people."
+#string
+binary = "binary"
+#string
+do_not = "don't"
+#string with string in it
+y = "Those who know #{binary} and those who #{do_not}."
+
+#printing strings
+puts x
+puts y
+
+#printing strings in more strings
+puts "I said:#{x}."
+puts "I also said: '#{y}'"
+
+#bollion
+hilarious = false
+#bollion in string
+joke_evaluation = "Isn't that joke so funny?! #{hilarious}"
+
+#printing bollion in string
+puts joke_evaluation
+
+#strings
+w = "This is the left side of..."
+e = "a string with a right side."
+
+#combining strings
+puts w + e

day_1/ex7.rb

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+#excercise 11: asking Questions
+
+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 +15,12 @@
 speedy = "quick red fox"
 slow_poke = "lazy brown dog"
 
-p # YOUR CODE HERE
+p "The #{speedy} jumps over #{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
+"In a predictable result, the #{slow_poke} beat the #{speedy}!"

day_1/exercises/loops.rb

@@ -5,14 +5,18 @@
 
 # Example: Write code that prints your name five times:
 5.times do
-  p "Hermione Granger"
+  puts "Andrew Shafer"
 end
 
 # Write code that prints the sum of 2 plus 2 seven times:
 7.times do
-  # YOUR CODE HERE
+  puts 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 +7,11 @@
 p 2 + 2
 
 # Write code that prints the result of 7 subtracted from 83:
-p #YOUR CODE HERE
+p 83 - 7 #YOUR CODE HERE
 
 # 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

@@ -4,10 +4,12 @@
 # `ruby day_1/exercises/strings.rb`
 
 # Example: Write code that prints your name to the terminal:
-p "Alan Turing"
+p "Andrew Shafer"
 
 # Write code that prints `Welcome to Turing!` to the terminal:
-p #YOUR CODE HERE
+p  "Welcome to Turing!"#YOUR CODE HERE
 
 # 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

@@ -1,29 +1,36 @@
 # 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
 # prints what that variable holds to the terminal:
-name = "Harry Potter"
+name = "Andrew Shafer"
 p name
 
 # 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
 
+string = "Harry Potter must not return to Hogwarts!"
+p string
+
 # Write code that adds 2 to the `students` variable and
 # prints the result:
 students = 22
 # YOUR CODE HERE
+students += 2
+
 p students
 
 # Write code that subracts 2 from the `students` variable and
 # prints the result:
 # YOUR CODE HERE
+students = students - 2
 p students

day_1/questions.md

@@ -2,16 +2,42 @@
 
 1. How would you print the string `"Hello World!"` to the terminal?
 
+`print "Hello World!"`
+
 1. What character is used to indicate comments in a ruby file?
 
+'#'
+
 1. Explain the difference between an integer and a float?
 
+a float is a number with a decimal while an integer is a number without a descimal.
+
 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?
 
+'puts animal'
+
 1. What is interpolation? Use interpolation to print a sentence using the variable `animal`.
 
+interpolation is basically something that lest you run code inside of a string.  
+
+'puts "the animal is a #{animal}"'
+
+
 1. What method is used to get input from a user?
 
+gets.chomp
+
+
 1. Name and describe two common string methods:
+
+
+'.length'
+this method tells us how long the string is.
+
+
+'.upcase'
+this method changes the string to be all uppercase.

day_2/aray_methods.ms

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+
+
+.sort : returns a sorted array
+.each : cycles through an array
+.join : take a array and puts each element of that array into a string
+.index : returns the index position of the
+include?  : if an array contains a specific element then it returns true, if not, then it returns false
+.collect : goes through each element in an array and modifies it
+.first : returns the first element of the array
+.last : returns the last element of the array
+.shuffle : returns an array that is NOT sorted.

day_2/exercises/arrays.rb

@@ -10,12 +10,15 @@
 
 # Write code that stores an array of states in a variable,
 # then prints that array:
-states = #YOUR CODE HERE
+states = ["CO", "NY", "CA", "TX", "AZ"] #YOUR CODE HERE
 p states
 
 # Write code that stores an array of foods in a variable,
 # then prints that array:
 # YOUR CODE HERE
+foods = ["toco", "pizza" , "banana"]
+p foods
+
 
 # Example: Write code that prints the number of elements
 # in your above array of animals:
@@ -24,17 +27,30 @@
 # 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[0]
+
+
 
 # Write code that prints the last item of your foods array:
 # YOUR CODE HERE
+p foods[-1]
+
+
 
 # Write code that adds "lion" to your animals array
 # and prints the result (Hint- use a method):
 # YOUR CODE HERE
+animals.push("lion")
+p animals
+
 
 # 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/iteration.rb

@@ -15,14 +15,26 @@
 # "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
 
-# Write code that stores an array of numbers in a variable, 
-# then iterates over that array to print doubles of each number: 
+foods = ["egg", "toco", "hotdog"]
+
+foods.each do |food|
+  p "add #{food} to the 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:
 # YOUR CODE HERE
+
+numbers = [1, 2, 3, 4, 57, 8, 95, 0, 3, 6]
+
+numbers.each do |number|
+  p number*2
+end