in: The Membership Operator : Member « String « Python Tutorial






name = raw_input('What is your name? ') 
if 's' in name:
    print 'Your name contains the letter "s".' 
else:
    print 'Your name does not contain the letter "s".'








5.20.Member
5.20.1.To check whether a value can be found in a sequence, you use the in operator
5.20.2.in is case sensitive
5.20.3.in: The Membership Operator
5.20.4.Membership (in, not in)
5.20.5.ID Check