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Merge pull request#30763 from timhoffm/doc-align-ticklabels

DOC: Add example how to align tick labels

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	`1`	`+"""`
	`2`	`+=================`
	`3`	`+Align tick labels`
	`4`	`+=================`
	`5`	`+`
	`6`	`+By default, tick labels are aligned towards the axis. This means the set of`
	`7`	`+y tick labels appear right-aligned. Because the alignment reference point`
	`8`	`+is on the axis, left-aligned tick labels would overlap the plotting area.`
	`9`	`+To achieve a good-looking left-alignment, you have to additionally increase`
	`10`	`+the padding.`
	`11`	`+"""`
	`12`	`+importmatplotlib.pyplotasplt`
	`13`	`+`
	`14`	`+population= {`
	`15`	`+"Sydney":5.2,`
	`16`	`+"Mexico City":8.8,`
	`17`	`+"São Paulo":12.2,`
	`18`	`+"Istanbul":15.9,`
	`19`	`+"Lagos":15.9,`
	`20`	`+"Shanghai":21.9,`
	`21`	`+}`
	`22`	`+`
	`23`	`+fig,ax=plt.subplots(layout="constrained")`
	`24`	`+ax.barh(population.keys(),population.values())`
	`25`	`+ax.set_xlabel('Population (in millions)')`
	`26`	`+`
	`27`	`+# left-align all ticklabels`
	`28`	`+forticklabelinax.get_yticklabels():`
	`29`	`+ticklabel.set_horizontalalignment("left")`
	`30`	`+`
	`31`	`+# increase padding`
	`32`	`+ax.tick_params("y",pad=70)`

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