Question: Consider the following code fragment working with lists as defined in class let 1st1= ... // create a list with 3 elements const concat=

Consider the following code fragment working with lists as defined in class let 1st1= ... // create a list

Consider the following code fragment working with lists as defined in class let 1st1= ... // create a list with 3 elements const concat= (11, 12) 1st1= concat(concat(1st1, // end of the code fragment 11.isEmpty? 12: node(11. head(), concat(11. tail(), 12)); 1st1), 1st1) How many list nodes (created with node()) are no longer accessible at the end of this code fragment?

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