MrBean83

def get_grade(grade)
  average = grade.to_i

  case average
    when 90..100
      "A"
    when 80...90
      "B"
    when 70...80
      "C"

MrBean83

def count_between(array, lower_bound, upper_bound)
  count = 0
  array.each do |num|
    if ((num >= lower_bound) && (num <= upper_bound))
      count += 1
    end
  end
  return count
end

MrBean83

def super_fizzbuzz(array)
  new_arr = []
  array.each do |num|
    if ((num % 3 == 0) && (num % 5 == 0))
      new_arr << "FizzBuzz"
    elsif num % 3 == 0
      new_arr << "Fizz"
    elsif num % 5 == 0
      new_arr << "Buzz"
    else

MrBean83

def print_triangle(rows)
  1.upto(rows) { |i| puts "*" * i }
end

MrBean83

def reverse_words(str)
  words = str.split(" ")
  rev = words.reverse_each
  print rev
end
----------
def reverse_words(str)
  words = str.split(" ")
  word = words.each.to_s
  print word.reverse!

MrBean83

def mode(array)
  array.group_by do |e|
    e
  end.values.max_by(&:size).first
end
---------------------------------
def mode(array)
  array.inject(Hash.new(0)){ |h,i| h[i] += 1; h }.max{ |a,b| a[1] <=> b[1] }.first
end
---------------------------------

MrBean83

def is_fibonacci?(i)
  n = i * Math.sqrt(5)
  n1 = Math.sqrt((5*(i**2)+4))  
  n2 = Math.sqrt((5*(i**2)-4))
  
  if (i == 1 || i == 0)
    return true
  elsif (n1 % 1 == 0) || (n2 % 1 == 0)
    return true
  else

MrBean83

def times_table(rows)
  1.upto(rows).each do |line|
    1.upto(rows).each do |num| 
      print "#{line*num} " 
    end 
    print "\n" 
  end
end

MrBean83

class Die
  attr_accessor :labels

  def initialize(labels)
    unless labels.length > 0
      raise ArgumentError.new("Where's your strings?")
    end
    @labels = labels
  end

MrBean83

class GuessingGame
  def initialize(answer)
    @answer = answer
  end
 
  def guess(guess)
    @guess = guess
    result = nil
 
    case guess