3.0 * "hello"
Traceback (most recent call last):
  File "C:\Users\Susan\AppData\Local\Enthought\Canopy\User\lib\site-packages\IPython\core\interactiveshell.py", line 2883, in
run_code
    exec(code_obj, self.user_global_ns, self.user_ns)
  File "<ipython-input-5-d725b0604df2>", line 1, in <module>
    3.0 * "hello"
TypeError: can't multiply sequence by non-int of type 'float'
3 * "hello"
Out[6]: 'hellohellohello'

3.5.is_integer()
Out[7]: False

3.0.is_integer()
Out[8]: True

"hello".upper()
Out[14]: 'HELLO'

len("hello")
Out[15]: 5

"hello"[0]
Out[16]: 'h'

"hello"[0:4]
Out[17]: 'hell'