In English, words like EVE, MADAM, KAYAK and LEVEL are called PALINDROMES, ~because they read the same from left to right as they do from right to left. In mathematics, numbers like $$747$$, $$5555$$, $$11911$$, and $$2378732$$ are called PALINDROMIC NUMBERS for the same reason. How many palindromic numbers are there between $$1000$$ and $$9999$$? (PLEASE REMEMBER TO SHOW US YOUR WORKING SO THAT WE CAN SEE HOW YOU ARE GETTING YOUR ANSWER, AND MAYBE BE ABLE TO AWARD YOU SOME PART-MARKS EVEN IF YOUR~~ANSWER IS WRONG).  Answer :~\uline{~~~~~~~~~~}~ 
Overseas Competition->Knowledge Point->Counting Modules->Questions Involving Enumeration->Enumeration