def set_dictionary(filename):
    global dictionary 
    dictionary = open(filename)
    dictionary = dictionary.read()  #dictionary is now a string of dictionary words

def text(t):
    """takes a list of words with punctuation removed, returns a list of all words that are not in dictionary (in the reverse order they appeared in the text
    """
    import re
    misspelled = []
    dict = dictionary
    pat = re.compile('\n')
    dict = pat.sub(' ', dict)
    dict = dict.split()   #dict is now a sequence of dictionary words

    for word in t:
        if dict.count(word) == 0 and dict.count(word.lower()) == 0:  #if the word is not in the dictionary the way it appears or in lower case
            misspelled.insert(0, word) #add the word to the misspelled list  
             
    return misspelled