Write a program that prompts the user to enter two points (x1, y1) and (x2, y2) and displays the distance between them. The formula for computing the distance is √(x2 − x1) 2 + (y2 − y1).

An author can reveal character traits by using different methods of characterization (i.e. thoughts, quotes, actions, values). The actions and perception of the character by other characters can be interpreted to reveal more information about a character’s personality and backstory as well. 
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