How I can access number of rows in pandas Dataframe?
you can view the number of rows by
dataframe.shape cmd and to access any particular row you use
the other way is just to do
In the case of Learn data science with Python and R projects, the following was my answer and it was accepted.
What I found weird was that the expected answer in that same tutorial had the values hardcoded. I wonder if they should update it?
concat_axis0 = pd.concat( [head_2015, head_2016] )
question1 = len(concat_axis0.index)
concat_axis1 = pd.concat( [head_2015, head_2016], axis = 1 )
question2 = len(concat_axis1.index)