input: Write a function to convert degrees Fahrenheit to degrees Celsius. If the input temperature in Fahrenheit is less than -459.67, raise a ValueError with the message "Temperature cannot be below absolute zero".
  
  def FahrenheitToCelsius(temp_fahrenheit):
      if temp_fahrenheit < -459.67:
          raise ValueError("Temperature cannot be below absolute zero")
      temp_celsius = (temp_fahrenheit - 32) * 5/9
      return temp_celsius
  
  assert FahrenheitToCelsius(32) == 0
  assert FahrenheitToCelsius(212) == 100
  assert FahrenheitToCelsius(0) == -17.77777777777778
  assert FahrenheitToCelsius(-459.67) == -273.15
output: def FahrenheitToCelsius(temp_fahrenheit):
      if temp_fahrenheit < -459.67:
          raise ValueError("Temperature cannot be below absolute zero")
      temp_celsius = (temp_fahrenheit - 32) * 5/9
      return temp_celsius