how can I disable ygrid?

Hi guys,

how can i tell matplotlib to only show the xgrid (grid without y -lines :wink: )
I´ve searched and googled a lot. But i can´t find a solution.

Many Thanks
Volker

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Volker Lorrmann
Universität Würzburg
Experimentelle Physik 6
Am Hubland
97074 Wuerzburg
Germany
Tel: +49 931 888 5770
volker.lorrmann@...1264...