Convert this code snippet from JavaScript to Python
function helloWorld() {
  return 'Hello, World!';
}
def helloWorld():
    return 'Hello, World!'
Complete the following task based on the instruction and optional input provided.### Instruction:
Convert this code snippet from JavaScript to Python

### Input:
function helloWorld() {
  return 'Hello, World!';
}

### Output:
def helloWorld():
    return 'Hello, World!'