Python dictionary allocation weirdness

Python 2.7.3 (default, Mar 13 2014, 11:03:55)
[GCC 4.7.2] on linux2
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>>> st = set(['apple', 'orange', 'apple', 'pear', 'orange', 'banana'])
>>> lst = [1, 2, 3, "4"]
>>> tpl = (1, 2, 3, '4')
>>> dct = {'one': 1, 'two': 2, 'three': 3};
>>> st.__repr__
<method-wrapper '__repr__' of set object at 0x7f6b38e2dd00>
>>> tpl.__repr__
<method-wrapper '__repr__' of tuple object at 0x7f6b38e387e0>
>>> lst.__repr__
<method-wrapper '__repr__' of list object at 0x7f6b38de2b48>
>>> dct.__repr__
<method-wrapper '__repr__' of dict object at 0x1c36400>
>>>