³ò ŒB_Kc@s\dZd„Zedjo<ddklZddddgZeeid ƒeƒnd S( s. A utility for displaying lexical dispersion. c CsMyddk}Wntj otdƒ‚nXt|ƒ}|iƒg}tt|ƒƒD]E}tt|ƒƒD],}||||jo|||fququq_~}|ot|Œ\}}n d }}|i||dddƒ|i tt|ƒƒ|ddƒ|i dt|ƒƒ|i d ƒ|i d ƒ|i ƒdS( s Generate a lexical dispersion plot. @param text: The source text @type text: C{list} or C{enum} of C{str} @param words: The target words @type words: C{list} of C{str} iÿÿÿÿNsXThe plot function requires the matplotlib package.See http://matplotlib.sourceforge.net/sb|tscalexgš™™™™™¹?tcolortbsLexical Dispersion Plots Word Offset((tpylabt ImportErrort ValueErrortlisttreversetrangetlentziptplottytickstylimttitletxlabeltshow(ttexttwordsRt_[1]txtytpoints((s*/p/zhu/06/nlp/nltk/nltk/draw/dispersion.pytdispersion_plot s$   2 "  t__main__iÿÿÿÿ(t gutenbergtElinortMariannetEdwardt Willoughbysausten-sense.txtN(t__doc__Rt__name__t nltk.corpusRR(((s*/p/zhu/06/nlp/nltk/nltk/draw/dispersion.pys s