How many breaks does the shift need

easyschedulingPython

Labour law requires a 30-minute rest after every four hours on the floor. Count the mandatory breaks a shift of lengthMinutes earns.

Four full hours (240 minutes) earns the first break, eight hours the second, and so on.
A shift of exactly 240 minutes gets one break, not two.

break_count(length_minutes: int) → int

Where you start

def break_count(length_minutes: int) -> int:

Integer-divide the minutes by 240.

Reference solution in Python

def break_count(length_minutes: int) -> int:
    if length_minutes < 240:
        return 0
    return length_minutes // 240