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This lecture introduces constructors in C++ and the importance of proper attribute initialization. It covers different methods for initializing attributes, including individual assignment and dedicated methods. The instructor explains the concept of constructors, their syntax, and their automatic invocation during object declaration. The lecture also discusses overloading constructors, default parameter values, and initializing object attributes directly using their constructors. Examples are provided to illustrate the proper way to initialize attributes, including calling attribute constructors within the main constructor.