What type of test does the assertion 'assert(myIntegrate(lambda x: x*x, 0, 3) [0] == 9)' exemplify?

The assertion 'assert(myIntegrate(lambda x: x*x, 0, 3) [0] == 9)' exemplifies a unit test. This type of test focuses on verifying the correctness of individual components or functions in isolation. In this case, the function myIntegrate is being tested with a specific input—a lambda function that squares its input over the interval from 0 to 3.

The purpose of a unit test is to ensure that a particular piece of code behaves as expected, which is precisely what this assertion does by checking if the output at index 0 of the result from myIntegrate equals 9. This means it is assessing a single function's logic and its output quality, which is characteristic of unit testing.

Other testing types such as manual, functional, or integration tests do not apply here. Manual tests often involve human intervention to check the functionality, functional tests validate the software against functional requirements, and integration tests assess how different components work together — none of which are relevant in this context where the focus is solely on the correctness of a single function.