Why isn't isnumeric working?

Question

I was going through a very simple python3 guide to using string operations and then I ran into this weird error:

In [4]: # create string
        string = \'L         


        

Answer 1

One Liners:

unicode('200', 'utf-8').isnumeric() # True
unicode('unicorn121', 'utf-8').isnumeric() # False

Or

unicode('200').isnumeric() # True
unicode('unicorn121').isnumeric() # False