add debug tutorials'

Author: siliataider

tutorials/analysis/dataframe/df000_simple_dbg1.py

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+## \file
+## \ingroup tutorial_dataframe
+## \notebook -draw
+## Simple RDataFrame example in Python.
+##
+## This tutorial shows a minimal example of RDataFrame. It starts without input
+## data, generates a new column `x` with random numbers, and finally draws
+## a histogram for `x`.
+##
+## \macro_code
+## \macro_output
+##
+## \date September 2021
+## \author Enric Tejedor (CERN)
+
+import ROOT
+
+# Create a data frame with 100 rows
+rdf = ROOT.RDataFrame(100)

tutorials/analysis/dataframe/df000_simple_dbg2.py

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+## \file
+## \ingroup tutorial_dataframe
+## \notebook -draw
+## Simple RDataFrame example in Python.
+##
+## This tutorial shows a minimal example of RDataFrame. It starts without input
+## data, generates a new column `x` with random numbers, and finally draws
+## a histogram for `x`.
+##
+## \macro_code
+## \macro_output
+##
+## \date September 2021
+## \author Enric Tejedor (CERN)
+
+import ROOT
+
+# Create a data frame with 100 rows
+rdf = ROOT.RDataFrame(100)
+
+# Define a new column `x` that contains random numbers
+rdf_x = rdf.Define("x", "gRandom->Rndm()")

tutorials/analysis/dataframe/df000_simple_dbg3.py

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+## \file
+## \ingroup tutorial_dataframe
+## \notebook -draw
+## Simple RDataFrame example in Python.
+##
+## This tutorial shows a minimal example of RDataFrame. It starts without input
+## data, generates a new column `x` with random numbers, and finally draws
+## a histogram for `x`.
+##
+## \macro_code
+## \macro_output
+##
+## \date September 2021
+## \author Enric Tejedor (CERN)
+
+import ROOT
+
+# Create a data frame with 100 rows
+rdf = ROOT.RDataFrame(100)
+
+# Define a new column `x` that contains random numbers
+rdf_x = rdf.Define("x", "42")