Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.

Improve your Python testing even more ... get if you were to define a global variable by the name of "simple_file". At the same time, fixtures are used differently from global variables. For example, ...

Here’s one that exists in about 150 lines of Python code ... That leaves most of the operations as just simple definitions of matrices. For example: # Hadamard Gate 'H': np.multiply(1.