$.$ Write a program that converts a temperature from Fahrenheit to Celsius. Your program should prompt the user for temperature value in Fahrenheit and use the value to calculate temperature in Celsius.

After execution, the output of your program should look like:

Enter a temperature in Fahrenheit : $75\mathrm{.}2$

$75\mathrm{.}2$ F $=24\mathrm{.}0$ C

Here is the formula to do the conversion:

C $=($F $-32)\backslash$times