gbrl

2.2.0 :001 > def sayhi
2.2.0 :002?>   puts "HI!"
2.2.0 :003?>   end
 => :sayhi 
2.2.0 :004 > def greeting(name)
2.2.0 :005?>   puts "Hi, #{name}."
2.2.0 :006?>   end
 => :greeting 
2.2.0 :007 > greeting("Bill")
Hi, Bill.

gbrl

# must be baller and either furnished or rent cheaper than 2100
def rent?(furnished, rent, baller)
  puts "Furnished is #{furnished}, rent is #{rent}, baller status is #{baller}"
  if baller && (furnished || rent < 2100)
    puts "Yeah, let's do it. \n"
    return true
  else
    puts "Nah, I don't want it. \n"
    return false
  end

gbrl

# Sort the array from lowest to highest
def sort(arr)
  a_length = arr.length
  return arr if a_length == 1
  return [] if a_length == 0
  keep_going = true
  while keep_going do
    flagged = false
    arr.each_with_index do |num,index|
      unless (index + 1 == arr.length ) # Can't compare last number with next one since it doesn't exist.

gbrl

def calculate(size,num_colours)
  colour_price = 10
  colour_price = 15 if num_colours > 2
  total = ((size * 15) + (num_colours * colour_price)) * 1.15
  total_in_currency = "%05.2f" % total
  puts "Your total is $#{total_in_currency}"
end

# Enter size of sign, and number of colours as parameters
calculate(10,3)

gbrl

require 'pp'

def count_letters(stuff)
  result = {}
  individual_characters = []
  individual_characters = stuff.split("")
  individual_characters.each do |char|
      next if char == " "
      if result[char].nil?
        result[char] = 1

gbrl

@states = {
  OR: 'Oregon',
  FL: 'Florida',
  CA: 'California',
  NY: 'New York',
  MI: 'Michigan'
}

@states[:OH] = 'Ohio'
@states[:NC] = 'North Carolina'

gbrl

@states = {
  OR: 'Oregon',
  FL: 'Florida',
  CA: 'California',
  NY: 'New York',
  MI: 'Michigan'
}

@states[:OH] = 'Ohio'
@states[:NC] = 'North Carolina'

gbrl

require 'pp'

# BUYING
# num_bottles = money/2

# REDEEMING
# num_bottles = caps * 0.25
# num_bottles = bottles * 0.5

def buy(investment=0)

gbrl

require 'pp'

# I = 1
# V = 5
# X = 10
# L = 50
# C = 100
# D = 500
# M = 1000

gbrl

def benchmark
  start = Time.now
  yield
  running_time = Time.now - start
end
 
# Be careful, pasting this into IRB will take a long time to print.
# It's a loooong string. :)
long_string = "apple"*100000000