import matplotlib.pyplot as plt from matplotlib.backends.backend_pdf import PdfPages # create a pdf file for saving figures with PdfPages('output.pdf') as pdf: # create and save first figure to pdf fig1, ax1 = plt.subplots() ax1.plot([1, 2, 3, 4]) pdf.savefig(fig1) # create and save second figure to pdf fig2, ax2 = plt.subplots() ax2.scatter([1, 2, 3, 4], [10, 20, 30, 40]) pdf.savefig(fig2)
import matplotlib.pyplot as plt from matplotlib.backends.backend_pdf import PdfPages # create a pdf file for saving figures with PdfPages('output.pdf') as pdf: # create a figure with multiple subplots fig, axs = plt.subplots(2, 2) # plot on the first subplot axs[0, 0].plot([1, 2, 3, 4], [10, 20, 30, 40]) # plot on the second subplot axs[1, 1].scatter([1, 2, 3, 4], [10, 20, 30, 40]) # save the figure to pdf pdf.savefig(fig)In summary, the `matplotlib.backends.backend_pdf.PdfPages` is a tool from the `matplotlib` library that allows users to create and control PDF output files containing multiple plotted figures. The package library is `matplotlib`.