from math import sqrt
"""
Clustering
"""

def square(a): return a*a

class Point:
  def __init__(self, coordinates):
  	self.coordinates = coordinates
  	self.squares = [square(coordinate) for coordinate in self.coordinates]
  def distance(self, other):
    self.pairs = zip(self.squares, other.squares)
    return sqrt(abs(sum([(a-b) for a,b in self.pairs])))

class Cluster:
  def __init__(self, points):
    self.points = points
    self.matrix = self.blank_matrix(5)
  def blank_matrix(n):
    return [ [None] * i for i in range(n)]

#matrix = [(10, 5), (20, 20), (30, 10), (30, 15), (5, 10)]

#matrix = [Point(x) for x in matrix]

cluster = Cluster([(10, 5), (20, 20), (30, 10), (30, 15), (5, 10)])
print cluster.points

#a = matrix[1]
#b = matrix[2]

#print a.distance(b)