How would you punctuate this sentence please Hi im new here Lets be friends?

Here are a few ways to punctuate that sentence, depending on the intended tone:

Informal:

* "Hi, I'm new here. Let's be friends!" (This is the most common and casual way to punctuate it.)

More formal:

* "Hi, I'm new here. Let's be friends." (This adds a period after "here" and makes the sentence a bit more serious.)

Question form:

* "Hi, I'm new here. Let's be friends?" (This implies a question and invites a response.)

The best punctuation choice depends on the context and the relationship between the speaker and the listener.