INNER CODE UNIT · Python

TemperatureConverter

fzumstein/python-for-excel · pep8_sample.py:12

class TemperatureConverter:
    pass  # Doesn't do anything at the moment


def convert_to_celsius(degrees, source="fahrenheit"):
    """This function converts degrees Fahrenheit or Kelvin
    into degrees Celsius.
    """
    if source.lower() == "fahrenheit":
        return (degrees - 32) * (5 / 9)
    elif source.lower() == "kelvin":
        return degrees - 273.15
    else:
        # Exceptions will be introduced in Chapter 10
        raise ValueError(f"Don't know how to convert from {source}")


celsius = convert_to_celsius(44, source="fahrenheit")

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