20130403_shortest_string

# shortest_string is a method that takes an array of strings as its input
# and returns the shortest string
# +array+ is an array of strings
# shortest_string(array) should return the shortest string in +array+
# If +array+ is empty the method should return nil

# array.sort.first
def shortest_string(array)
  
  new_count = [ ]
  
  array.each do |count|
   new_count.push(count.length)
  end
  
  new_count.sort.first
end

# array = ['cat', 'zzzzzzz', 'apples']