nodes: 0, module; 1, function_definition; 2, function_name:sortedbyAge; 3, parameters; 4, block; 5, identifier:self; 6, expression_statement; 7, expression_statement; 8, for_statement; 9, expression_statement; 10, return_statement; 11, string; 12, assignment; 13, identifier:i; 14, call; 15, block; 16, assignment; 17, subscript; 18, string_content:Sorting the pop. base of the age; 19, identifier:ageAll; 20, call; 21, identifier:range; 22, argument_list; 23, expression_statement; 24, identifier:ageSorted; 25, call; 26, identifier:ageSorted; 27, slice; 28, attribute; 29, argument_list; 30, attribute; 31, assignment; 32, attribute; 33, argument_list; 34, unary_operator; 35, identifier:numpy; 36, identifier:zeros; 37, attribute; 38, identifier:self; 39, identifier:length; 40, subscript; 41, attribute; 42, identifier:ageAll; 43, identifier:argsort; 44, integer:1; 45, identifier:self; 46, identifier:length; 47, identifier:ageAll; 48, identifier:i; 49, subscript; 50, identifier:age; 51, attribute; 52, identifier:i; 53, identifier:self; 54, identifier:Ind
code: def sortedbyAge(self):
  		'''
  		Sorting the pop. base of the age
  		'''
  		ageAll = numpy.zeros(self.length)
  		for i in range(self.length):
  			ageAll[i] = self.Ind[i].age
  		ageSorted = ageAll.argsort()
  		return ageSorted[::-1]