>>> def hasNumbers(inputString): ... return any(char.isdigit() for char in inputString) ... >>> hasNumbers("I own 1 dog") True >>> hasNumbers("I own no dog") False
isinstance(s, str)
if "blah" not in somestring: continue
type('hello world') == str # output: True type(10) == str # output: False
if var in ('stringone', 'stringtwo'): dosomething()