def getIntersectionOfXIntersectionsTables(xIntersectionsTables):
 intersectionOfXIntersectionsTables = {}
 firstIntersectionTable = xIntersectionsTables[0]
 for firstIntersectionTableKey in firstIntersectionTable.keys():
  xIntersectionIndexList = []
  for xIntersectionsTableIndex in xrange(len(xIntersectionsTables)):
   xIntersectionsTable = xIntersectionsTables[xIntersectionsTableIndex]
   addXIntersectionIndexesFromXIntersections(xIntersectionsTableIndex, xIntersectionIndexList, xIntersectionsTable[firstIntersectionTableKey])
  xIntersections = getIntersectionOfXIntersectionIndexes(len(xIntersectionsTables), xIntersectionIndexList)
  if (len(xIntersections) > 0):
   intersectionOfXIntersectionsTables[firstIntersectionTableKey] = xIntersections
 return intersectionOfXIntersectionsTables

def getIntersectionOfXIntersectionsTables ( xIntersectionsTables ) : intersectionOfXIntersectionsTables = { } firstIntersectionTable = xIntersectionsTables [ 0 ] for firstIntersectionTableKey in firstIntersectionTable . keys ( ) : xIntersectionIndexList = [ ] for xIntersectionsTableIndex in xrange ( len ( xIntersectionsTables ) ) : xIntersectionsTable = xIntersectionsTables [ xIntersectionsTableIndex ] addXIntersectionIndexesFromXIntersections ( xIntersectionsTableIndex , xIntersectionIndexList , xIntersectionsTable [ firstIntersectionTableKey ] ) xIntersections = getIntersectionOfXIntersectionIndexes ( len ( xIntersectionsTables ) , xIntersectionIndexList ) if ( len ( xIntersections ) > 0 ) : intersectionOfXIntersectionsTables [ firstIntersectionTableKey ] = xIntersections return intersectionOfXIntersectionsTables
get the intersection of both xintersections tables .