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                    ???? Python ???
                    ??15?? ????Python??????
                    ???? repr???? ????

                    repr????

                    repr???????????????淶?????????????????????????????????????????????????????????eval(repr(object)) == object??

                    >>> i = []
                    >>> i.append('item')
                    >>> `i`
                    "['item']"
                    >>> repr(i)
                    "['item']"

                    ???????repr??????????????????????????????????????????????????__repr__???????????????????repr????????????????????


                    ???? ????? ????
                    assert??? ??? ????
                    ?????
                    @ssv

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