nodes: 0, module; 1, function_definition; 2, function_name:zscore; 3, parameters; 4, block; 5, identifier:self; 6, identifier:key; 7, identifier:member; 8, expression_statement; 9, expression_statement; 10, return_statement; 11, comment:"""Get the score associated with the given member in a sorted set."""; 12, assignment; 13, call; 14, identifier:fut; 15, call; 16, identifier:wait_convert; 17, argument_list; 18, attribute; 19, argument_list; 20, identifier:fut; 21, identifier:optional_int_or_float; 22, identifier:self; 23, identifier:execute; 24, string; 25, identifier:key; 26, identifier:member; 27, string_content:ZSCORE
code: def zscore(self, key, member):
          """Get the score associated with the given member in a sorted set."""
          fut = self.execute(b'ZSCORE', key, member)
          return wait_convert(fut, optional_int_or_float)