[Rails] Traversing an object / array?

[softwareengineer 99]

This is a very basic question but I cannot find the 'right' answer.
  
  What is the best way to traverse an object / array with ROR.
  
  I need to look at the structure of some of the objects/ arrays but not sure how to go about it.
  
  I appreciate your assistance.
  
  Thanks
  Frank
  
		
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