I don't understand what the purpose of setting the list_length equal the length of the suitcase is. Could someone explain to me. Also, I don't know how to copy code in the format most people are asking for on a mac.
suitcase = 
Your code here!
list_length = len(suitcase) # Set this to the length of suitcase
print "There are %s items in the suitcase." % (list_length)