import numpy as np
import pandas as pd
import sklearn as sk
import scipy as sp
print(np.__version__) # 1.21.1
print(pd.__version__) # 1.4.2
print(sk.__version__) # 0.24.2
print(sp.__version__) # 1.7.0
all, help()
import sklearn
print(sklearn.__all__)
import sklearn.preprocessing
print(sklearn.preprocessing.__all__)
from sklearn.preprocessing import MinMaxScaler
print(help(MinMaxScaler))
dir(), help
import sklearn
print(dir(sklearn))
import sklearn.preprocessing
print(dir(sklearn.preprocessing))
from sklearn.preprocessing import MinMaxScaler
print(help(MinMaxScaler))