What is the purpose of the defer statement in error handling?

To catch and handle errors gracefully.
To delay the execution of a function.
To ensure cleanup or resource release upon function exit.
To suppress error messages.

The defer statement in Go is used to ensure that a function call is performed later in a program's execution, typically for cleanup or resource release. In error handling, defer is often used to ensure that resources, such as files or network connections, are properly closed when a function exits, whether it exits normally or due to an error. This helps in preventing resource leaks and ensures that cleanup code is executed even in the presence of errors, contributing to robust error handling in Go.

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