--------------------------------------------------------------------------- NameError Traceback (most recent call last) <ipython-input-45-21945fa74017> in <module>() 11 return wordsListDF.groupBy('word').count() 12 ---> 13 wordCount(wordsDF).show() <ipython-input-45-21945fa74017> in wordCount(wordListDF) 9 DataFrame of (str, int): A DataFrame containing 'word' and 'count' columns. 10 """ ---> 11 return wordsListDF.groupBy('word').count() 12 13 wordCount(wordsDF).show() NameError: global name 'wordsListDF' is not defined