def cel(temperature):
        Celsius = (temperature - 32.0) * (5.0/9.0)
        return Celsius

def fah(temperature):
        Fahrenheit = (temperature * (9.0/5.0)) + 32.0
        return Fahrenheit


print("Choice Number 1 for convert Fahrenheit to Celsius")
print("Choice Number 2 for convert Celsius to Fahrenheit")
choice = int(input("Choice the number : " ))

if choice == 1:
        celsius = float(input("Enter temperature in Fahrenheit: "))
        c = float(cel(celsius))
        print("Celsius temperature is: ",c)
elif choice == 2:
        fahrenheit = float(input("Enter temperature in Celsius: "))
        f = float(fah(fahrenheit))
        print("Fahrenheit temperature is: ", f)
else:
        print("Your input number is wrong! please try again... ")