Compile a Python program.
Here is a compiled Python program based on the input you provided:

```
# main.py

def hello():
    print('Hello World!')

if __name__ == '__main__':
    hello()
```

You can run this program by saving the above code to a file with the name `main.py` and then, using the command `python main.py` in the terminal or command prompt. This will execute the program and you should see the output `Hello World!`.
# main.py

def hello():
    print('Hello World!')

if __name__ == '__main__':
    hello()
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Compile a Python program.

### Input:
# main.py

def hello():
    print('Hello World!')

if __name__ == '__main__':
    hello()

### Response:
Here is a compiled Python program based on the input you provided:

```
# main.py

def hello():
    print('Hello World!')

if __name__ == '__main__':
    hello()
```

You can run this program by saving the above code to a file with the name `main.py` and then, using the command `python main.py` in the terminal or command prompt. This will execute the program and you should see the output `Hello World!`.