Add property getter setter validation in Python

class Temperature:
    def __init__(self, celsius=0):
        self._celsius = celsius  # Use underscore to avoid recursion
    
    @property
    def celsius(self):
        """Getter returns the stored value."""
        return self._celsius
    
    @celsius.setter
    def celsius(self, value):
        """Setter validates before storing."""
        if not isinstance(value, (int, float)):
            raise TypeError("Temperature must be a number")
        if value < -273.15:
            raise ValueError("Temperature cannot be below absolute zero")
        self._celsius = value
    
    @property
    def fahrenheit(self):
        """Derived property with getter only."""
        return self._celsius * 9/5 + 32

if __name__ == "__main__":
    temp = Temperature()
    temp.celsius = 25
    print(f"Celsius: {temp.celsius}, Fahrenheit: {temp.fahrenheit}")
    
    try:
        temp.celsius = -300
    except ValueError as e:
        print(f"Validation error: {e}")
    
    try:
        temp.celsius = "hot"
    except TypeError as e:
        print(f"Type error: {e}")