Define a nested list type in OCaml where a node is either an element, or a list of nodes. (That is, write the OCaml code for this new data type.) You may use the built-in data type list as part of your definition.
Here is the OCaml code for defining the Node type which represents a node in a nested list:
type 'a node = Element of 'a | List of 'a node list;;
This works as follows:
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