A mapping from a set of keys to their corresponding values. A function used by a hashtable to compute the location for a key. A way of performing a computation. An object that appears in a dictionary ...A mapping from a set of keys to their corresponding values. A function used by a hashtable to compute the location for a key. A way of performing a computation. An object that appears in a dictionary as the first part of a key-value pair. The representation of the mapping from a key to a value. A dictionary operation that takes a key and finds the corresponding value. An object that appears in a dictionary as the second part of a key-value pair.