Method split

recipes/Python/577469_Evaluator_20/recipe-577469.py:167–172

Split expression on rightmost symbol.

(cls, expression)

    @classmethod
    def split(cls, expression):
        "Split expression on rightmost symbol."
        tail = cls.__split(expression)
        if tail:
            symbol, right = tail
            return expression[:-sum(map(len, tail))], symbol, right

    @classmethod
    def __split(cls, expression):