Dic: have it, "There you have it."

have it:

1. To assert; maintain: Rumor has it that he quit.
2. To express in a particular way; phrase: As her friends have it, she likes her new job.
3. To think and act with respect to (something being considered): Have it your way.
4. To gain a victory in a voice vote: The ayes have it.

자료: http://www.thefreedictionary.com/have+it

"There you have it":

[informal] used to indicate that something is completed or done in a satisfactory way

• You just plug it in, push this button, and there you have it.
• There you have it. The mystery is solved.

자료: http://www.learnersdictionary.com/search/there