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# Test of the file
import math


    

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class points():
    
    def __init__(self, N):
        self.N=N
        self.points=Set([])
        
    def addPoints(self,x,y):
        self.points.add([x,y])
        
    def compute_distances(self):
        self.distances=Set([])
        for i in self.points:
            for j in self.points:
                self.distances.add(abs(i[0]-i[1]))


    

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