| 1 | 1 | class SpaceAge: |
| 2 | """ |
| 3 | A class to calculate age on different planets based on Earth seconds. |
| 4 | |
| 5 | The class takes an age in seconds and provides methods to calculate |
| 6 | the equivalent age on various planets in our solar system. |
| 7 | |
| 8 | Each method returns the age on that planet in years, rounded to two decimal places. |
| 9 | """ |
| 10 | |
| 11 | # Earth year in seconds |
| 12 | EARTH_YEAR_SECONDS = 31557600 |
| 13 | |
| 14 | # Orbital periods in Earth years |
| 15 | ORBITAL_PERIODS = { |
| 16 | 'mercury': 0.2408467, |
| 17 | 'venus': 0.61519726, |
| 18 | 'earth': 1.0, |
| 19 | 'mars': 1.8808158, |
| 20 | 'jupiter': 11.862615, |
| 21 | 'saturn': 29.447498, |
| 22 | 'uranus': 84.016846, |
| 23 | 'neptune': 164.79132 |
| 24 | } |
| 25 | |
| 2 | 26 | def __init__(self, seconds: int) -> None: |
| 3 | | pass |
| 27 | """ |
| 28 | Initialize the SpaceAge object with age in seconds. |
| 29 | |
| 30 | Args: |
| 31 | seconds (int): Age in seconds |
| 32 | |
| 33 | # Edge Case: Negative seconds input |
| 34 | # The problem doesn't specify behavior for negative inputs, but age can't be negative |
| 35 | # We'll allow it but the result will be negative ages |
| 36 | """ |
| 37 | self.seconds = seconds |
| 38 | |
| 39 | def _calculate_age_on_planet(self, planet: str) -> float: |
| 40 | """ |
| 41 | Helper method to calculate age on a specific planet. |
| 42 | |
| 43 | Args: |
| 44 | planet (str): Name of the planet |
| 45 | |
| 46 | Returns: |
| 47 | float: Age on the planet rounded to 2 decimal places |
| 48 | """ |
| 49 | # Calculate Earth years |
| 50 | earth_years = self.seconds / self.EARTH_YEAR_SECONDS |
| 51 | # Convert to planet years |
| 52 | planet_years = earth_years / self.ORBITAL_PERIODS[planet] |
| 53 | # Round to 2 decimal places |
| 54 | return round(planet_years, 2) |
| 55 | |
| 56 | def on_mercury(self) -> float: |
| 57 | """ |
| 58 | Calculate age on Mercury. |
| 59 | |
| 60 | Returns: |
| 61 | float: Age on Mercury in years, rounded to 2 decimal places |
| 62 | """ |
| 63 | return self._calculate_age_on_planet('mercury') |
| 64 | |
| 65 | def on_venus(self) -> float: |
| 66 | """ |
| 67 | Calculate age on Venus. |
| 68 | |
| 69 | Returns: |
| 70 | float: Age on Venus in years, rounded to 2 decimal places |
| 71 | """ |
| 72 | return self._calculate_age_on_planet('venus') |
| 73 | |
| 74 | def on_earth(self) -> float: |
| 75 | """ |
| 76 | Calculate age on Earth. |
| 77 | |
| 78 | Returns: |
| 79 | float: Age on Earth in years, rounded to 2 decimal places |
| 80 | """ |
| 81 | return self._calculate_age_on_planet('earth') |
| 82 | |
| 83 | def on_mars(self) -> float: |
| 84 | """ |
| 85 | Calculate age on Mars. |
| 86 | |
| 87 | Returns: |
| 88 | float: Age on Mars in years, rounded to 2 decimal places |
| 89 | """ |
| 90 | return self._calculate_age_on_planet('mars') |
| 91 | |
| 92 | def on_jupiter(self) -> float: |
| 93 | """ |
| 94 | Calculate age on Jupiter. |
| 95 | |
| 96 | Returns: |
| 97 | float: Age on Jupiter in years, rounded to 2 decimal places |
| 98 | """ |
| 99 | return self._calculate_age_on_planet('jupiter') |
| 100 | |
| 101 | def on_saturn(self) -> float: |
| 102 | """ |
| 103 | Calculate age on Saturn. |
| 104 | |
| 105 | Returns: |
| 106 | float: Age on Saturn in years, rounded to 2 decimal places |
| 107 | """ |
| 108 | return self._calculate_age_on_planet('saturn') |
| 109 | |
| 110 | def on_uranus(self) -> float: |
| 111 | """ |
| 112 | Calculate age on Uranus. |
| 113 | |
| 114 | Returns: |
| 115 | float: Age on Uranus in years, rounded to 2 decimal places |
| 116 | """ |
| 117 | return self._calculate_age_on_planet('uranus') |
| 118 | |
| 119 | def on_neptune(self) -> float: |
| 120 | """ |
| 121 | Calculate age on Neptune. |
| 122 | |
| 123 | Returns: |
| 124 | float: Age on Neptune in years, rounded to 2 decimal places |
| 125 | """ |
| 126 | return self._calculate_age_on_planet('neptune') |
| 127 | |
| 128 | # Handled Edge Cases: Negative seconds input |