class: A user-defined type. A class definition creates a new class object.
class object: An object that contains information about a user-defined type. The class object can be used to create instances of the type.
instance: An object that belongs to a class.
attribute: One of the named values associated with an object.
embedded (object): An object that is stored as an attribute of another object.
shallow copy: To copy the contents of an object, including any references to embedded objects; implemented by the copy function in the copy module.
deep copy: To copy the contents of an object as well as any embedded objects, and any objects embedded in them, and so on; implemented by the deepcopy function in the copy module.
object diagram: A diagram that shows objects, their attributes, and the values of the attributes.
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