iloc pandas

1df=pd.read_csv('yourcsv.csv')
2X=df.iloc[:,:-1].values
3y=df.iloc[:,1].values

1>>> df.iloc[0, 1]
22
3

1>>> df.iloc[1:3, 0:3]
2      a     b     c
31   100   200   300
42  1000  2000  3000
5

1Purely integer-location based indexing for selection by position.
2
3.iloc[] is primarily integer position based (from 0 to length-1 of the axis), but may also be used with a boolean array.

1X = df.iloc[:, 1:]
2