摘要：
```import numpy as npimport matplotlib.pyplot as pltfrom matplotlib import style plt.style.use('dark_background')for i in range(2): if i ==0: labels = 'A', 'B', 'C' fracs = [20, 30, 5... 阅读全文
摘要：
``` pylab_examples example code: multipage_pdf.py """ This is a demo of creating a pdf file with several pages, as well as adding metadata and annotations to pdf files. """ import datetime import nump 阅读全文