User "function" to complete the following sentence: A _____ is a block of code that performs a specific task.
A function is a block of code that performs a specific task.
Complete the following task based on the instruction and optional input provided.### Instruction:
User "function" to complete the following sentence: A _____ is a block of code that performs a specific task.

### Output:
A function is a block of code that performs a specific task.