Matplotlib figure does not close after being resurrected

问题

Try the following code:

import matplotlib.pyplot as plt
fig = plt.figure() #creates a pyplot figure
plt.close(fig) #closes the figure
fig.show() #resurrects the figure, that is, displays it
plt.close(fig) #should close the figure, but does nothing

My questions are:

1. why does not the last line of code close the figure ?

2. how to get the figure closed anyway (programmatically) after it has been resurrected as above ?

来源：https://stackoverflow.com/questions/35300855/matplotlib-figure-does-not-close-after-being-resurrected