On Mon, 2006-07-24 at 22:19 -0700, Anoop wrote: > Hi All > > I am getting two different outputs when i do an operation using > string.digits and test.isdigit(). Is there any difference between the > two. I have given the sample program and the output > > Thanks for ur inputs > > Anoop > > #1: > ~~ > import string > > test='121206' > > if test not in string.digits: > print "I am Not Digit" > else: > print "I am Digit" > > #2: > ~~ > import string > > test='121206' > > if not test.isdigit(): > print "I am Not Digit" > else: > print "I am Digit" > > Output > ~~~~~ > #1:I am Not Digit > #2:I am Digit > > Thnks and Rgds > > Anoop >
string.digits is the string constant '0123456789' So your test, "if test not in string.digits:" will evaluate True because '121206' is not in '0123456789'. Whereas test.isdigit() returns true if all the characters in test are digits. So yes, there is a big difference between the two. Regards, John -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. -- http://mail.python.org/mailman/listinfo/python-list