>>> str(123)
--> '123'

>>> str(3.1415)
--> '3.1415'

>>> str(3+5j)
--> '(3+5j)'

>>> str('a','b','c')
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-172-c6ee0c0a01c0> in <module>()
----> 1 str('a','b','c')

TypeError: str() takes at most 1 argument (3 given)

>>> str(('a','b','c'))
--> "('a', 'b', 'c')"

>>> print str(('a','b','c'))
('a', 'b', 'c')

>>> print str(['a','b','c'])
['a', 'b', 'c']
