exclamation mark

Exclamation mark!
It is often said that the exclamation mark serves to express an exclamation. It is most commonly used to show shock, surprise, horror or pleasure. For example:
“Run faster!”, - he shouted to me.
Thank you so much for your help!
Question mark?
The question mark is placed at the end of the interrogative sentence.
What time are you going to work?
~helenseasyenglish