I am repeaing examples from NLTK book "Natural Language Processing with Python" in Python console. (i use Pycharm 2.7.2, Windows 7, Python 3.3.2). I am new to Python and dont know how to fix. I downloaded today latest NLTK from I am repeaing examples from NLTK book "Natural
阅读背景：
TypeError:“map”对象不是用Python 3.3编写的NLTK书。
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