cnocon

# When this method is called on any class instance,
# the method will reconstruct the string every time. 

def user_full_name
  "#{first_name} #{last_name}"
end

# By memoizing the call, we store the string with the
# object that is the class instance. Below is a classic
# example of memoization in code:

cnocon

def is_fibonacci?(i)
  n = 1
  fib = 1
  while fib <= i
    fib = recursive_nth_fibonacci(n)
    return true if fib == i
    n += 1
  end
  false
end

cnocon

def is_fibonacci?(i)
  n1 = (5*i**2 + 4)**0.5
  n2 = (5*i**2 - 4)**0.5
  n1 % 1 == 0 || n2 % 1 == 0 ? true : false
end

cnocon

def is_fibonacci?(input_num)
  
  raise ArgumentError.new("Number must be greater than or equal to zero.") if input_num < 0
 
  # we start with these variable values to generate our array of fibonacci nums
  fibonacci_nums = [0,1]
  i = 1
  
  # we start with zero because this value is immediately changed in the first iteration and then incremented
  # it only has to be less than the input_num so the loop runs at least once

cnocon

# Grandfather clock. 

# Write a method that takes a block and calls it once for each hour that has passed today. 
# That way, if I were to pass in the block:
# do
#   puts 'DONG!'
# end
# it would chime (sort of) like a grandfather clock. Test your method out with a few different blocks.
# Hint: You can use Time.new.hour to get the current hour. 
# However, this returns a number between 0 and 23, so you 

cnocon

class OrangeTree
  def initialize 
    @age = 0
    @height = 0
    @orange_count = 0
    @alive = true
  end
  
  def height
    if @alive

cnocon

class Die
  def initialize #this will run as soon as a new instance of the Die class (a Die object) is called
    puts "Do you want to cheat, or play fair? To cheat, type 'cheat' and press enter. Otherwise just press enter."
    response = gets.chomp
    if response == 'cheat'
      cheat
    else 
      roll
    end
  end

cnocon

# Write a program to read in names and birth dates from a text file. 
# It should then ask you for a name. You type one in, and it tells you 
# when that person’s next birthday will be (and, for the truly adventur- 
# ous, how old they will be). The input file should look something like this:
# Christopher Alexander,  Oct  4, 1936
# Christopher Lambert,    Mar 29, 1957
# Christopher Lee,        May 27, 1922
# Christopher Lloyd,      Oct 22, 1938
# Christopher Pine,       Aug  3, 1976
# Christopher Plummer,    Dec 13, 1927

cnocon

# This program should take a number, like 22, and return the English version of it 
#(in this case, the string 'twenty-two'). 
#For now, let’s have it work only on integers from 0 to 99999:

puts "Provide a number greater than or equal to 0 but less than 100,000"
num = gets.chomp.to_i
def englishnum number
  if number < 0 || number > 99999
    puts "Please enter a number greater than or equal to 0 but less than 100,000"
  end

cnocon

start_array = []
puts "Enter as many words as you like, pressing Enter after each word has been input. type 'stop' to finish entering words."
while true 
  x = gets.chomp.downcase  #had to put this within the while loop for code to work, not outside while loop
  if x != "stop"     
    start_array.push x 
  else
    def do_shuffle start_array
      shuffle start_array, []
    end