DataFrame.sort_values()

by : str or list of str

Name or list of names which refer to the axis items.

axis : {0 or ?index?, 1 or ?columns?}, default 0

Axis to direct sorting

ascending : bool or list of bool, default True

Sort ascending vs. descending. Specify list for multiple sort orders. If this is a list of bools, must match the length of the by.

inplace : bool, default False

if True, perform operation in-place

kind : {?quicksort?, ?mergesort?, ?heapsort?}, default ?quicksort?

Choice of sorting algorithm. See also ndarray.np.sort for more information. mergesort is the only stable algorithm. For DataFrames, this option is only applied when sorting on a single column or label.

na_position : {?first?, ?last?}, default ?last?

first puts NaNs at the beginning, last puts NaNs at the end