connect_all_nodes

import hou
import math

def main():
###**** First we will select the number of nodes we wan to connect and then basically use this as a list to connect all of them ****###
    limit = len(hou.selectedNodes())
####**** Then we create a list if the nodes w.r.t direction and then later sort them based on direction and connect them ****####
    yPos = []
    for aNode in hou.selectedNodes():
        yPos.append([aNode.position()[1], aNode])
        yPos = sorted(yPos)
    for i in xrange(len(yPos) - 1):
        yPos[i][1].setInput(0,yPos[i+1][1])
    for yNode in hou.selectedNodes():
        yFit = math.floor(yNode.position()[0])
        mean = (yNode.position()[1]) - (yFit) / (limit)
    xPos = []
    for xNode in hou.selectedNodes():
        xPos.append([xNode.position()[1], xNode])
        xPos = sorted(xPos)
    for i in xrange(len(xPos) - 1):
        meanPos = math.floor(((xPos[i+1][0]) + (xPos[i][0])) / (2))