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In [1]: TH1F h("h","h",100,0,1); h.FillRandom("gaus"); h.Draw();
TH1F h("h","h",100,0,1); h.FillRandom("gaus"); h.Draw();
Info in <TCanvas::MakeDefCanvas>: created default TCanvas with name c1 Out[1]: 0
Info in <TCanvas::MakeDefCanvas>: created default TCanvas with name c1
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