#!/usr/bin/env python3
# coding: utf8

"""016-temperatures.py"""

def fahrenheit_to_celsius(temp_f):
    """
    :Examples:
    >>> fahrenheit_to_celsius(212)
    100.0
    """
    return  ((temp_f - 32) / float("1.8"))


def celsius_to_fahrenheit(temp_c):
    """
    :Examples:
    >>> celsius_to_fahrenheit(100)
    212.0
    """
    return ((9/5) * temp_c + 32)


if __name__ == "__main__":
    import doctest
    doctest.testmod()