module StringWorkJustinewalt

# File lib/string_work_justinewalt.rb, line 4
def self.reversify(str)
      str.split('').reverse.join('')
end

# File lib/string_work_justinewalt.rb, line 17
def self.spacify(str, spaces = 0)
      new_string = str
      spaces.times do
              new_string = new_string.split('').join(' ')
      end
      new_string
end

# File lib/string_work_justinewalt.rb, line 8
def casify(str)
      to_case = [:upcase, :downcase]
      arr = str.split('')
      arr.each_with_index do |letter, i|
              this_case = to_case[rand(2)]
              arr[i] = letter.send(this_case)
      end
end