TemperatureConv

# Temperature Conversion Program

def menu():
    print("\n1. Celsius to Fahrenheit")
    print("2. Fahrenheit to Celsius")
    print("3. Exit")
    choice = int(input("Enter a choice: "))
    return choice

def toCelsius(f):
    return int((f - 32) / 1.8)

def toFahrenheit(c):
    return int(c * 1.8 + 32)

def main():
    choice = menu()
    while choice != 3:
        if choice == 1:
        c = eval(input("Enter degrees Celsius: "))
            print(str(c) + "C = " + str(toFahrenheit(c)) + "F")
        elif choice == 2:
            f = eval(input("Enter degrees Fahrenheit: "))
            print(str(f) + "F = " + str(toCelsius(f)) + "C")
        else:
            print("Invalid choice.")
        choice = menu()

main()