Which Python data type allows for ordered collections of items that can be of different types and can be modified?

In unsupervised learning, what is the primary goal of clustering algorithms?

Which statement is used to ensure that a block of code is executed regardless of whether an exception was raised?

Which optimization technique involves designing algorithms to achieve the best possible worst-case performance by reducing the worst-case time complexity?

In the context of GANs (Generative Adversarial Networks), what is the primary objective of the discriminator network?