Difference between -i and -it?

What is the difference between -i and -it with run command?I tried but they both are showing the same output?
I have pasted the command and the output below:-
[email protected]:~$ docker run -i kodekloud/simple-prompt-docker
Welcome! Please enter your name: Abhishek

Hello and Welcome Abhishek!
[email protected]:~$ docker run -it kodekloud/simple-prompt-docker
Welcome! Please enter your name: Abhishek

Hello and Welcome Abhishek!