Function wrapper

example_code/item_038.py:52–59

(*args, **kwargs)

print("Example 1")
def trace(func):
    def wrapper(*args, **kwargs):
        args_repr = repr(args)
        kwargs_repr = repr(kwargs)
        result = func(*args, **kwargs)
        print(f"{func.__name__}"
              f"({args_repr}, {kwargs_repr}) "
              f"-> {result!r}")
        return result

    return wrapper