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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def parse(path):
 """Parse an ``.ensime`` config file from S-expressions. Args: path (str):
 Path of an ``.ensime`` file to parse. Returns: dict: Configuration values with string keys. """


        def paired(iterable):
            """s -> (s0, s1), (s2, s3), (s4, s5), ..."""
            cursor = iter(iterable)
            return zip(cursor, cursor)

        def unwrap_if_sexp_symbol(datum):
            """Convert Symbol(':key') to ':key' (Symbol isn't hashable for dict keys).
            """
            return datum.value() if isinstance(datum, sexpdata.Symbol) else datum

        def sexp2dict(sexps):
            """Transforms a nested list structure from sexpdata to dict."""
            newdict = {}

            # Turn flat list into associative pairs
            for key, value in paired(sexps):
                key = str(unwrap_if_sexp_symbol(key)).lstrip(':')

                # Recursively transform nested lists
                if isinstance(value, list) and value:
                    if isinstance(value[0], list):
                        newdict[key] = [sexp2dict(val) for val in value]
                    elif isinstance(value[0], sexpdata.Symbol):
                        newdict[key] = sexp2dict(value)
                    else:
                        newdict[key] = value
                else:
                    newdict[key] = value

            return newdict

        conf = sexpdata.loads(Util.read_file(path))
        return sexp2dict(conf)