pd.dataframe from series code example
Example 1: pandas series vs dataframe
dataframe (think 2D array) is made up of multiple series (1D array)
Example 2: pandas.core.series.series to dataframe
>>> s = pd.Series(["a", "b", "c"],
... name="vals")
>>> s.to_frame()
vals
0 a
1 b
2 c