#!/usr/bin/env python3


"""A simple Python script demonstrating functions and conditional statements."""


def abc() -> None:
    """Prints a farewell message and a conditional statement result.

    This function prints "bye" to the console, checks if the condition
    `1 == 1` is true (which is always true), and then prints "Foo!".
    """
    print("bye")
    if 1 == 1:
        print("Foo!")


def main() -> None:
    """The main entry point of the script.

    This function prints a greeting message, calls the `abc` function,
    and then prints a farewell message.
    """
    print("hi")
    abc()
    print("so long")


if __name__ == "__main__":
    main()