'''
>>> sorted(parse('This,,,is,! then and this      is now'))
['then', 'this', 'this']
>>> sorted(parse('Well, Prince, so Genoa and Lucca are now just family estates of the'))
['estates', 'family', 'genoa', 'just', 'lucca', 'prince', 'well']
>>> sorted(parse('It was one January morning, very early--a pinching,'))
['early', 'january', 'morning', 'pinching', 'very']
>>> sorted(parse('7987989is8989009is   to   of  2345'))
[]
>>> sorted(parse("    On the 8th of January Utterson had dined at the doctor's with "))
['dined', 'doctor', 'january', 'utterson', 'with']
>>> sorted(parse('            THE STRANGE CASE OF DR. JEKYLL AND MR. HYDE'))
['case', 'hyde', 'jekyll', 'strange']
'''
#-------------------------------------------------------
from hw4a import parse
#-------------------------------------------------------
if __name__ == "__main__":
    import doctest
    doctest.testmod()