sage: for i in [9,10,11]: ....: i.digits(base=3) ....: [0, 0, 1] [1, 0, 1] [2, 0, 1] sage: for i in range(9,12): ....: i.digits(base=3)
....:
AttributeError Traceback (most recent call last) <ipython-input-2-e5aab74726b7> in <module>() 1 for i in range(Integer(9),Integer(12)): ----> 2 i.digits(base=Integer(3)) 3
AttributeError: 'int' object has no attribute 'digits' sage: [9,10,11]==range(9,12) True