小编pra*_*rav的帖子

如何将一个复数（例如1.9999999999999998-2j）取整为2-2j？

当我尝试使用

print(round(x,2))

这显示了

Traceback (most recent call last):
  File "C:\Python34\FFT.py", line 22, in <module>
    print(round(x,2))
TypeError: type complex doesn't define __round__ method