Count_between

gistfile1.txt

def count_between(array, lower_bound, upper_bound)
  if array.empty?
		return 0
	end
	
	counter = 0
	array.select { |num| counter += 1 if num >= lower_bound && num <= upper_bound }  
	end
	counter


puts count_between([1,2,3], 0, 100)      # => 3
puts count_between([-10, 1, 2], 0, 100)  # => 2
puts count_between([10, 20, 30], 10, 30) # => 3
puts count_between([], -100, 100)        # => 0
puts count_between([0], 0, 0)            # => 1