Convert a Pandas DataFrame into a single row DataFrame

Question

I\'ve seen similar questions but mine is more direct and abstract.

I have a dataframe with \"n\" rows, being \"n\" a small number.We can assume the index is just the

Answer 1

Unstack and map i.e

ndf = df.unstack().to_frame().T

ndf.columns = ndf.columns.map('{0[0]}_{0[1]}'.format) 

    A_0  A_1  A_2  B_0  B_1  B_2  C_0  C_1  C_2  D_0  D_1  D_2  E_0  E_1  E_2
0    1    6   11    2    7   12    3    8   13    4    9   14    5   10    5

In case you want the sorted columns then you can do

ndf = df.unstack().to_frame().T.sort_index(1,1)