import re
paragraph = "Mr. Smith bought cheapsite.com for 1.5 million dollars, i.e. he "\
        "paid a lot for it.  Did he mind?  Adams Jones Jr. thinks he "\
        "didn't.  In any case, this isn't true...  Well, with a "\
        "probability of .9 it isn't."
 
sentenceEnd = re.compile('(?<=(?<!Mr)(?<!Mrs)(?<!Ms)(?<!Dr)(?<!Jr)[.!?])\s{1,2}(?=[A-Z])')
sentenceList = sentenceEnd.split(paragraph)
 
for sentence in sentenceList:
        print(sentence)

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