1def hello():
 2    print("Hello, world!")
 3
 4def add(a, b):
 5    return a + b
 6
 7def complex_function(a, b, c=None, *args, **kwargs):
 8    """A more complex function."""
 9    pass
10
11async def async_hello():
12    print("Async hello")
13
14class MyClass:
15    def method_one(self):
16        pass
17
18    @staticmethod
19    def static_method():
20        pass