>>> x=complex(1)
>>> x
(1+0j)
>>> y=3+4j
>>> z=8+j
---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-28-0f617859faa4> in <module>()
----> 1 z=8+j

NameError: name 'j' is not defined
>>> z=8+1j
>>> z
(8+1j)
>>> z.real
8.0
>>> z.imag
1.0
>>> z.conjugate()
(8-1j)
