global variable is undefined

Question

import socket
import sys
import urllib
port = 6669
mac = "e448c7a96170"
try:
 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 ip = socket.gethostbyname( mac + '.rtn.iptv.svt.sciatl.com')
 sock.connect((ip, port))
 print(ip)
 sock.send("getdom;ipg")
 print "Message Sent"
 while True:
 global m;
 m=sock.recv(10000)
 print(m)
 sock.close()
except:
 print sys.exc_info()

Hi folks I am new to the python.I am trying to print the 'm' value.But it is not printing it since the print statement is outside the loop. I am trying to store the received data in a global variable and use it in the later part.But I am not able to do as the 'm' variable is not visible outside.Any help is appreciated. Thank you

• Ashwini Chaudhary: global m doesn't makes any sense here. global is for functions.
• phant0m: @AshwiniChaudhary for within functions. (Deleting this comment in a few when you've edited)
• Ashwini Chaudhary: @phant0m oh! I missed the 5 minute mark, btw thanks for pointing out the grammatical mistakes in my sentences for the nth time. :)

Answer 1

Your problem is that your loop will never end - while True is going to be true forever, so print(m) is never executed