Operation Evaluation

Description of issue:

Implement the evaluation function of an operation.

Linked Requirements:

( 11 )

Potential Issues:

None

Blockers:

( #1 (closed), #2 (closed), #3 (closed) )

Issue Requirements:

1. The function should return the result of the operation given data in.
2. The evaluate function should be able to parse Python code as long as the code returns a numerical value.

Comment:

None