child.py

#child.py
#! /usr/bin/env python
import subprocess
import sys
try:
    processes=int(raw_input("NO of child process:"))
    pid_list=[]
    for x in xrange(processes+1):
        text="echo " + str(x)
        echo=subprocess.Popen(text,stdout=subprocess.PIPE,shell=True,stdin=subprocess.PIPE)
        spawned_process=subprocess.Popen(["python"," get_input.py"],shell=True,stdin=echo.stdout,stdout=subprocess.PIPE)
        pid_list.append(spawned_process.pid)
        print spawned_process.stdout.readline()
#   print pid_list
#   sys.stdin.write(pid_list)
except ValueError:
    print "expects int "


#get_input.py
#! /usr/bin/env python
import sys
k=raw_input()
k=sys.stdin.readlines()
print "krace"
print k

the problem is i am unable to get get_input.py o/p