Write a code segment for the following situation:

Knightro wants to ensure he is getting the correct price on the number of eggs he buys. Write a code segment which asks the user for variables named egg$\_$calc $($takes in the number of eggs he buys$)$ and coupon $($coupon code$).$ Eggs cost $$0\mathrm{.}50$ per egg, but if he buys $100$ or more, they cost $20\%$ less $).$ If the code is "Holiday, $"$ he will pay $$0\mathrm{.}30$ per egg. Discounts do not stack. Print the total price of eggs.