1.3.0rc1
move around examples for better structure.
MAINT consistent use of `print(__doc__)` in examples (#21307)
MAINT Remove encoding declarations: `# -*- coding: utf-8 -*-` (#26467)
DOC convert confusion matrix to y_true/y_pred for classification_report example (#24711)
DOC modified the graph for better readability (#25644)
DOC Use matplotlib's kwarg in plot_lda_qda (#24809)