Solutions 3B

def reverse(array)
  new_array = []
  index = -1
  array.each do
    new_array << array[index]
    index -= 1
  end
  new_array
end

# OR

def reverse(array)
  length = array.length
  reversed_array = []
  while length > 0
    reversed_array << array[length - 1]
    length -= 1
  end
  reversed_array
end

def fizzbuzz(max_val)
  1.upto max_val do |num|
    if num % 15 == 0
      puts "fizzbuzz"
    elsif num % 5 == 0
      puts "buzz"
    elsif num % 3 == 0
      puts "fizz"
    else
      puts num 
    end
  end
end

# OR

def fizzbuzz(max_val)
  num = 1
  while num <= max_val
    if num % 15 == 0
      puts "fizzbuzz"
    elsif num % 5 == 0
      puts "buzz"
    elsif num % 3 == 0
      puts "fizz"
    else
      puts num 
    end
    num += 1
  end
end

## BONUS: what's the return value of the top method? 
## BONUS: what's the return value of the bottom method?

engines = ["Google", "Bing", "Ask Jeeves"]
result = engines.map do |e|
  if e == "Google"
    "OK"
  elsif e == "Bing"
    "Bad!"
  else
    "What is that?"
  end
end