When the option predefinedOutput has been set to true and the next element after the pre tag has data-output set to true, the html content of the next element will be rendered as a preview before execution.
A cell with the text 'Hello!' set as predefined output.
A cell with an image set as predefined output.
%matplotlib inline import numpy as np import matplotlib.pyplot as plt x = np.linspace(0,10) plt.plot(x, np.sin(x)) plt.plot(x, np.cos(x))