#
# Program: temperature.py
# Author:  James Tam
# Version: February 15, 2013
# A program that converts a Celsius temperature to its equivalent in
# Fahrenheit.
# Learning concepts: 
# 1) local variables
# 2) parameter passing

# @ introduction(none)
# @returns(nothing)
def introduction():
    print("""
Celsius to Fahrenheit converter
-------------------------------
This program will convert a given Celsius temperature to an equivalent
Fahrenheit value.

    """)


# @display(float,float)
# @returns(nothing)
# Shows but doesn't modify the temperatures.
def display(celsius, fahrenheit):
    print("")
    print("Celsius value: ", celsius)
    print("Fahrenheit value:", fahrenheit)


# @convert(none)
# @returns(nothing)
# With a given temperature in Celsius this function will calculate and
# display the equivalent Fahrenheit value.
def convert():
    celsius = float(input("Type in the celsius temperature: "))
    fahrenheit = celsius * (9 / 5) + 32
    display(celsius, fahrenheit)
    

# @start(none)
# @returns(nothing)
def start():
    introduction()
    convert()

start()