How to remove the line numbers from the file in python

[Peter Otten]

Ganesh Pal wrote:

> what would be the easiest way to remove the lines in the leading
> numbers 1.e 1 ,2,.... 19  from this file  using python ?
> 
> 
>   1 import os
>   2 Suite = "Test Mail"
>   3
>   4 def sendMail(x):
>   5     text = x
>   6     sendmail_location = "/home/prasad/onefs/share/sendmail" #
> sendmail location
>   7     p = os.popen("%s -t" % sendmail_location, "w")
>   8     p.write("From: %s\n" % "ganesh.pal at gmail.com")
>   9     p.write("To: %s\n" % "ganesh.pal at gmail.com")
> 10     #p.write("To: %s\n" % "umamaheshwar.b at gmail.com")
> 11     p.write("Subject: Suite : %s \n" % (Suite))
> 12     p.write("\n") # blank line separating headers from body
> 13     p.write("%s" %text)
> 14     status = p.close()
> 15
> 16     if status != 0:
> 17         print "Sendmail exit status", status
> 18
> 19 sendMail("Test Mail")

sys.stdout.writelines(
    line.lstrip().lstrip("0123456789")[1:] or "\n" 
    for line in sys.stdin)

Replace stdin/out with files as needed.