What is the purpose of the delete function in C++?

In C++, the delete function is used to release memory allocated using the new keyword. When we dynamically allocate memory using the new operator, we need to manually free up this memory to avoid memory leaks. The purpose of the delete function is to release this dynamically allocated memory so that it can be reclaimed and reused by the system. Additionally, the delete function will call the destructor of the released object to ensure that necessary cleanup operations are performed before freeing the memory.