# Given a list 'orig', possibly containing duplicate values,
# the program produces  a new list 'uniq' that has all values
# from the original but with duplicated omitted (using list comprehension)

def main():
    orig = ['mom','tools',123,'mom',123,'tools','thank you']

    l=len(orig)

    uniq=[orig[i] for i in range(l) if orig[i] not in orig[i+1:l]]
        
    print "Original list of items:",orig
    print "New list of items (with no duplicates):",uniq

main()