MarkJRigdon

def sum(array)
  return array.inject(:+)
end

MarkJRigdon

def max_num_char_str(string)
    split_string = string.split("")
    count_hash = Hash.new(0)
    split_string.each do |c|
        count_hash[c] += 1 unless c == " "
    end
    count_hash.max_by { | c, n | n }.join
end

puts max_num_char_str("lots of sss to show")

MarkJRigdon

def reverse_string(string)
    split_string = string.split("")
    split_string.reduce([]) { |a, b| a.unshift(b) }.join
    #reversed = []
    #string.size.times { reversed << split_string.pop}
    #reversed.join
end

puts reverse_string("codelabs")