About Coding bat

Remember last time when I told you that I don't understand what the question is asking? 

Well don't worry. I understand what they are all talking about. 

I understand! yay 

And for the most problems, I used the solution button.. because I needed help in the beginning. 

So just for myself, I am going to write few stuff I need to remember. 

! not

== not same

* times

&& 

parameter

|| or 

but I don't like coding bat...