Assessment.rb

#1
home_address = "416 Tenth Street"
home_city = "Pittsburgh"
home_state = "Pennsylvania"

#2
first_name = "Anne"
#this give first_name, a category, an actual name to be used.  It is much like putting something in a box.
first_name == "Anne"
#the double equals sign just checks to see if both sides of it are equal, responding with True or False.
"Spalding" = first_name
#this is an invalid statement.  this is like trying to put something into a box before you have the box.
#you can't assign a value to the variable before you have the variable.  The computer reads left to right.
"Spalding" == first_name
#This is similar to the second line, it is checking the equality of the value "Spalding" and the variable 
#first_name

#3
#"best"
#index 0
#length is 7

#4
def product(ary)
  val = 1
  ary.each do |x|
    val *= x 
  end
  return val
end

#5
def product_odd(ary)
  val = 1
  ary.each do |x|
    if (val % 2) != 0
      val *= x
    end
  end
  return val
end

#6
def fizzblam
  (1..100).each do |number|
    if (number % 5 == 0) && (number % 7 == 0)
      print number.to_s() + " FizzBlam "
    elsif number % 5 == 0
      print number.to_s() + " Fizz "
    elsif number % 7 == 0
      print number.to_s() + " Blam "
    else
      print number
    end #end def
  end #end each
end #end if

#7
#method_1 This method returns the highest value from the array.
#method_2 This method adds positive integers to the array and returns it.
#method_3 This method adds even integers to the array and returns it.

#refactored method_3
def method_3(array)
  array.select {|integer| integer % 2 == 0}
end
 
puts method_3([1,2])

#8
#puts displays/prints the value
#return sends back a value to the calling piece of code

#9 time--7:04 minutes
#Findit method takes the unsorted array full of 9999 numbers and compares them to the numbers 1-10000.
#While comparing, it checks to see that all of the numbers from the unsorted array are included.
#This function searches for one number that is in 1-10000 and is not in the unsorted array.
#it then displays that specific number.

def method_find_it(unsorted_array)
  (1..10000.each do |number|
    if (!unsorted_array.include? number)
	  return number
	end
  end
end

#10 time--13:45 minutes
#psycode def method_1
#variable = gets.chomp for input
#empty_array = the grocery list
#Assign values to the variable(s) 
#user input either = 1, ends program, or += 1
#to allow the list of items to grow in quantity
#if statement for this
#puts groceries

def Groc_list
  groceries = {}
  while true
    puts "Enter an item, type 'exit' to exit"
	item_to_add = gets.chomp
	if item_to_add == 'exit'
	break
  end
  if groceries.include.include? item_to_add
    groceries[item_to_add] += 1
  else
	groceries[item_to_add] = 1
	end
	puts groceries
  end
end

#11 time--34:54 minutes
class House
  def initialize(current_temperature, heat, air)
    @current_temperature = current_temperature
    @heat = heat
    @air = air
  end

  def update_temperature!
    if @heat
	  @current_temperature += 1
      puts @current_temperature 
    elsif @air
	  @current_temperature -= 2
      puts @current_temperature
    end
  end
end

my_house = House.new(70, false, true)
my_house.update_temperature!



#12
#http://jsfiddle.net/faAvr/