Description: The ‘Observation Space’ refers to the set of all possible observations that can be made in a given environment. In the context of supervised learning and reinforcement learning, this concept is fundamental as it defines the framework within which a model can learn and make decisions. In supervised learning, the observation space includes all the features and data that can be used to train a model, allowing it to recognize patterns and make predictions based on labeled examples. In reinforcement learning, the observation space encompasses all possible states that an agent can encounter in its environment, influencing the actions it can take and the rewards it can receive. Understanding the observation space is crucial for designing effective algorithms, as it determines the model’s ability to generalize and adapt to new situations. A well-defined observation space can enhance learning efficiency, enabling models to focus on the most relevant features and reduce computational complexity.