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  1. # your code goes here
  2. crave=['word1','word2','word3','word4','word5','word6','word7']
  3.  
  4. ITEM = [crave[i:i+3] for i in xrange(0, len(crave), 3)]
  5.  
  6. print ITEM
Success #stdin #stdout 0s 7736KB
stdin
Standard input is empty
stdout
[['word1', 'word2', 'word3'], ['word4', 'word5', 'word6'], ['word7']]