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# imports for jupyter notebook
import matplotlib.pyplot as plt
%matplotlib inline # display plots in this notebook

# set display defaults
plt.rcParams['figure.figsize'] = (10, 10)  # large images
plt.rcParams[
    'image.interpolation'] = 'nearest'  # don't interpolate: show square pixels
plt.rcParams[
    'image.cmap'] = 'gray'  # use grayscale output rather than a (potentially misleading) color heatmap