nltk.PCFG.productions¶
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PCFG.
productions
(lhs=None, rhs=None, empty=False)¶ Return the grammar productions, filtered by the left-hand side or the first item in the right-hand side.
Parameters: - lhs – Only return productions with the given left-hand side.
- rhs – Only return productions with the given first item in the right-hand side.
- empty – Only return productions with an empty right-hand side.
Returns: A list of productions matching the given constraints.
Return type: list(Production)