| 1 | 1 | class SpaceAge: |
| 2 | """ |
| 3 | A class to calculate the age of a person on different planets in our Solar System. |
| 4 | |
| 5 | The age is calculated based on the number of seconds passed since birth, |
| 6 | and converted into years for each planet considering their orbital periods. |
| 7 | |
| 8 | Attributes: |
| 9 | seconds (int): The age in seconds. |
| 10 | |
| 11 | Methods: |
| 12 | on_mercury(): Returns age on Mercury in Earth years. |
| 13 | on_venus(): Returns age on Venus in Earth years. |
| 14 | on_earth(): Returns age on Earth in Earth years. |
| 15 | on_mars(): Returns age on Mars in Earth years. |
| 16 | on_jupiter(): Returns age on Jupiter in Earth years. |
| 17 | on_saturn(): Returns age on Saturn in Earth years. |
| 18 | on_uranus(): Returns age on Uranus in Earth years. |
| 19 | on_neptune(): Returns age on Neptune in Earth years. |
| 20 | """ |
| 21 | |
| 22 | # Earth year in seconds |
| 23 | EARTH_YEAR_SECONDS = 31557600 |
| 24 | |
| 25 | # Orbital periods in Earth years |
| 26 | ORBITAL_PERIODS = { |
| 27 | 'mercury': 0.2408467, |
| 28 | 'venus': 0.61519726, |
| 29 | 'earth': 1.0, |
| 30 | 'mars': 1.8808158, |
| 31 | 'jupiter': 11.862615, |
| 32 | 'saturn': 29.447498, |
| 33 | 'uranus': 84.016846, |
| 34 | 'neptune': 164.79132 |
| 35 | } |
| 36 | |
| 2 | 37 | def __init__(self, seconds: int) -> None: |
| 3 | | pass |
| 38 | """ |
| 39 | Initializes the SpaceAge object with the given number of seconds. |
| 40 | |
| 41 | Args: |
| 42 | seconds (int): The age in seconds. Must be non-negative. |
| 43 | |
| 44 | Raises: |
| 45 | ValueError: If seconds is negative. |
| 46 | """ |
| 47 | # Edge Case: Negative seconds input |
| 48 | if seconds < 0: |
| 49 | raise ValueError("Seconds cannot be negative") |
| 50 | |
| 51 | self.seconds = seconds |
| 52 | |
| 53 | def _calculate_age_on_planet(self, planet: str) -> float: |
| 54 | """ |
| 55 | Helper method to calculate age on a specific planet. |
| 56 | |
| 57 | Args: |
| 58 | planet (str): The name of the planet (lowercase). |
| 59 | |
| 60 | Returns: |
| 61 | float: The age on the specified planet, rounded to 2 decimal places. |
| 62 | """ |
| 63 | # Calculate Earth years from seconds |
| 64 | earth_years = self.seconds / self.EARTH_YEAR_SECONDS |
| 65 | |
| 66 | # Calculate age on the specified planet |
| 67 | age_on_planet = earth_years / self.ORBITAL_PERIODS[planet] |
| 68 | |
| 69 | # Round to 2 decimal places |
| 70 | return round(age_on_planet, 2) |
| 71 | |
| 72 | def on_mercury(self) -> float: |
| 73 | """ |
| 74 | Calculates the age on Mercury. |
| 75 | |
| 76 | Returns: |
| 77 | float: The age on Mercury in Earth years, rounded to 2 decimal places. |
| 78 | """ |
| 79 | return self._calculate_age_on_planet('mercury') |
| 80 | |
| 81 | def on_venus(self) -> float: |
| 82 | """ |
| 83 | Calculates the age on Venus. |
| 84 | |
| 85 | Returns: |
| 86 | float: The age on Venus in Earth years, rounded to 2 decimal places. |
| 87 | """ |
| 88 | return self._calculate_age_on_planet('venus') |
| 89 | |
| 90 | def on_earth(self) -> float: |
| 91 | """ |
| 92 | Calculates the age on Earth. |
| 93 | |
| 94 | Returns: |
| 95 | float: The age on Earth in Earth years, rounded to 2 decimal places. |
| 96 | """ |
| 97 | return self._calculate_age_on_planet('earth') |
| 98 | |
| 99 | def on_mars(self) -> float: |
| 100 | """ |
| 101 | Calculates the age on Mars. |
| 102 | |
| 103 | Returns: |
| 104 | float: The age on Mars in Earth years, rounded to 2 decimal places. |
| 105 | """ |
| 106 | return self._calculate_age_on_planet('mars') |
| 107 | |
| 108 | def on_jupiter(self) -> float: |
| 109 | """ |
| 110 | Calculates the age on Jupiter. |
| 111 | |
| 112 | Returns: |
| 113 | float: The age on Jupiter in Earth years, rounded to 2 decimal places. |
| 114 | """ |
| 115 | return self._calculate_age_on_planet('jupiter') |
| 116 | |
| 117 | def on_saturn(self) -> float: |
| 118 | """ |
| 119 | Calculates the age on Saturn. |
| 120 | |
| 121 | Returns: |
| 122 | float: The age on Saturn in Earth years, rounded to 2 decimal places. |
| 123 | """ |
| 124 | return self._calculate_age_on_planet('saturn') |
| 125 | |
| 126 | def on_uranus(self) -> float: |
| 127 | """ |
| 128 | Calculates the age on Uranus. |
| 129 | |
| 130 | Returns: |
| 131 | float: The age on Uranus in Earth years, rounded to 2 decimal places. |
| 132 | """ |
| 133 | return self._calculate_age_on_planet('uranus') |
| 134 | |
| 135 | def on_neptune(self) -> float: |
| 136 | """ |
| 137 | Calculates the age on Neptune. |
| 138 | |
| 139 | Returns: |
| 140 | float: The age on Neptune in Earth years, rounded to 2 decimal places. |
| 141 | """ |
| 142 | return self._calculate_age_on_planet('neptune') |
| 143 | |
| 144 | # Handled Edge Cases: Negative seconds input |