Python 3.1.1 (r311:74483, Aug 17 2009, 17:02:12) [MSC v.1500 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> a=abhi@gmail.com
SyntaxError: invalid syntax (<pyshell#0>, line 1)
>>> a="abhi@gmail.com"
>>> a=a[0:11:-1]
>>> a
''
>>> a=a[len(a):11:-1]
>>> a
''
>>> 
