04_functions.py

"""
Simple examples of Python functions with parameters and return values.
"""

from typing import List


def add(a: float, b: float) -> float:
    """Return the sum of two numbers."""
    return a + b


def repeat_phrase(phrase: str, times: int = 1) -> List[str]:
    """Return the phrase repeated `times` times as a list of strings."""
    return [phrase for _ in range(times)]


def summarize_day(workouts_done: int, hours_coded: float) -> str:
    """Summarize the day based on training and coding activity."""
    if workouts_done > 0 and hours_coded >= 2:
        return "Great job, you trained and coded today."
    if workouts_done > 0:
        return "Nice training session. Consider adding some coding time."
    if hours_coded >= 2:
        return "Strong coding session. Get a workout in next time."
    return "Light day. Small steps still count, keep going."


def main() -> None:
    print("Adding numbers:", add(5, 7))

    print("\nRepeating phrase:")
    for line in repeat_phrase("Focus mode activated", times=3):
        print("-", line)

    print("\nDaily summary:")
    print(summarize_day(workouts_done=1, hours_coded=2.5))


if __name__ == "__main__":
    main()