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a guest Jan 23rd, 2019 72 Never
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  1. import math
  2.  
  3. S = [{'x': 2,'y': 7},{'x': 10,'y': 5},{'x': 8,'y': -2},{'x': 7,'y': -6},{'x': -3,'y': -5},{'x': -8,'y': 0},{'x': -5,'y': 6}]
  4. P = {'x': 1,'y': -1}
  5.  
  6. def distanceCoordMap(S,P):
  7.     INSTANCES = []
  8.     for v in S:
  9.         coord = {}
  10.         x = int(v['x'])
  11.         y = int(v['y'])
  12.         distance = math.sqrt(((P['x'] - x) **2) + ((P['y'] - y) ** 2))
  13.         coord['x'] = x
  14.         coord['y'] = y
  15.         coord['distance'] = distance
  16.         INSTANCES.append(coord)
  17.     return INSTANCES
  18.  
  19. def collectSort(INSTANCES):
  20.     DISTANCES = []
  21.     for d in INSTANCES:
  22.         DISTANCES.append(d['distance'])
  23.     DISTANCES.sort()
  24.     return DISTANCES
  25.  
  26. def nearestCoordPair(S,P):
  27.     INSTANCES = distanceCoordMap(S,P)
  28.     DISTANCES = collectSort(INSTANCES)
  29.     for i in INSTANCES:
  30.         if i['distance'] == DISTANCES[0]:
  31.             return "(%s,%s) nearest (%s,%s) with distance of %s" % (i['x'],i['y'],P['x'],P['y'],i['distance']) 
  32.  
  33. print nearestCoordPair(S,P)
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