Print Active Network Interface List in Linux using Python

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I'm checking the replies of my previous code on Create network interfaces list using Python. E A Faisal suggestion to use /proc/net/dev is somehow seems interesting to me. Now, let's do some python code for fun before going out to lunch.

Here is my code to get the same result as my previous python code to list the network interfaces:

#!/usr/bin/python

# read the file /proc/net/dev
f=open('/proc/net/dev','r')

# put the content to list
ifacelist=f.read().split('\n')

# close the file
f.close()

# remove 2 lines header
ifacelist.pop(0)
ifacelist.pop(0)

# loop to check each line
forlineinifacelist:

ifacedata=line.replace(' ','').split(':')

# check the data have 2 elements
iflen(ifacedata)==2:

# check the interface is up (Transmit/Receive data)
ifint(ifacedata[1])>0:

# print the interface
printifacedata[0]

Seems like it is working on my ubuntu linux (in the office Image may be NSFW.
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That's all for now... I'm going out for lunch. Happy python coding! Image may be NSFW.
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