gistfile1.py

    def _operations_list_to_string(self,operations):
		""" (list | str) -> str
		The function returns a plain string of the inner lists
		
		>>> _operations_list_to_string(['a','+',[['b','+','d'],'*','c']])
		'(a+((b+d)*c))'
		"""
		if type(operations) == list:
			result = '('
			for operation in operations:
					result += self.operations_list_to_string(operation)
			return result + ')'
		elif type(operations) == str:
			return operations
            
    def operations_to_result(self, parameter_definition, dictionary_of_values):
		""" (dict, dict) -> dict
		Returns the result of doing the operations for each value in parameter_definition
		with the values in dictionary_of_values in each index in a dictionary indexed
		by the keys of parameter_definition.
		
		>>> operations_to_result({"parameterA": ["a","+","b","+","c"]
						"parameterB": ["a", "*", "c"]},
					{"a": [3,2,3,4],
						"b": [2,1,3,4],
						"c": [1,3,5,2]})
		{"parameterA": [6,6,11,10], 
			"parameterB": [3,6,15,8]}
		"""
		result = dict()
		var_list = dict()
		for index in range(len(max(dictionary_of_values.values())))
			for operands,values in dictionary_of_values.keys():
				var_list[operands] = values[index] 
			for parameter,definition in parameter_definition:
				operations_string = _operations_list_to_string(definition)
				result[parameter] = eval(operations_string, var_list)
		return result