def fahr_to_celsius(temp_fahr):
    """Function to convert temperatures from fahranhiet to celsius
    
    Parameters
    --------
    
    temp_fahr: int | float
        Input temperature in fahranheit (should be a number)
        
    Returns
    ------
    
    Temperature in celsius (float)
    
    """
    return (temp_fahr -32)/(1.8)