from pandas import DataFrame print(dir(DataFrame)) import sklearn print(help(sklearn)) from sklearn import tree print(dir(tree)) ------------------------------- import pandas as pd import numpy as np import warnings warnings.filterwarnings('ignore') df=pd.read_csv("data/case1_no1.csv") df.head() df=df.sort_values(by='Feature1', ascending=False). reset_index(drop=true) df.head() df.loc[9] df.loc[..