>>> import pandas as pd>>> df1 = pd.read_csv('sample.csv')>>> df1.mean():1: FutureWarning: Dropping of nuisance columns in DataFrame reductions (with 'numeric_only=None') is deprecated; in a future version this will raise TypeError. Select only valid columns before calling the reduction.Eng 83.1Math 73.7dtype: float64 [ Solve ]Select only valid columns or set numeric_only=True. >>> df1.m..