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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 _clean_multiple_def(self, ready):
 """Cleans the list of variable definitions extracted from the definition text to get hold of the dimensions and default values. """

        result = []
        for entry in ready:
            if isinstance(entry, list):
                #This variable declaration has a default value specified, which is in the
                #second slot of the list.
                default = self._collapse_default(entry[1])
                #For hard-coded array defaults, add the parenthesis back in.
                if default[0] == "/":
                    default = "({})".format(default)
                namedim = entry[0]
            else:
                default = None
                namedim = entry

            if isinstance(namedim, str):
                name = namedim.strip().strip(",")
                dimension = None
                D = 0
            else:
                #Namedim is a tuple of (name, dimension)
                name = namedim[0].strip()
                D = count_dimensions(namedim[1])
                dimension = self._collapse_default(namedim[1])

            result.append((name, dimension, default, D))
        return result