1.2.2
move around examples for better structure.
MAINT consistent use of `print(__doc__)` in examples (#21307)
DOC Use pipeline in classifiers example (#24399)
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)