import matplotlib.pyplot
%matplotlib inline
matplotlib.pyplot.imshow(a,interpolation="nearest")
<matplotlib.image.AxesImage at 0x108917710>
提示：
runfile('E:/Python/3-3.py', wdir='E:/Python')
File "E:\Python\3-3.py", line 138
<matplotlib.image.AxesImage at 0x108917710>
^
SyntaxError: invalid syntax