Resolve "Basic Operations"

Closes #9 (closed)

b_asic/abstract_operation.py

@@ -32,7 +32,7 @@ class AbstractOperation(Operation, AbstractGraphComponent):
         self._parameters = {}
 
     @abstractmethod
-    def evaluate(self, inputs: list) -> list:
+    def evaluate(self, *inputs) -> Any: # pylint: disable=arguments-differ
         """Evaluate the operation and generate a list of output values given a 
         list of input values."""
         raise NotImplementedError