May 27, 2013

Python IF Statement

Python IF Statement

False Values:
None, 0, empty string, empty list, empty dictionary

Boolean False:
True, False
1, 0

Operators:
==, !=, <, <=, >, >=

and
or
not

Important:
Python doesn't have ! operator,

IDLE 2.6.6    
>>> st = 'my non empty string'
>>> if(!st):

SyntaxError: invalid syntax
>>>



>>> if(not st):
 print "Empty String"
else:
 print "Non Empty String"


Non Empty String
>>>