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| ### Function GetEntry ( list l, elt-ord^rat pos ) -> any ### Optional Arguments
Fail | any |  | Determines what to return in case of failure.
### Description Returns the element of `l' at position `pos' if it exists and fails otherwise. ### Examples A:=[2,3,5,7,11,13,17,19]; GetEntry(A,2); GetEntry(A,44);
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