Pandas One hot encoding

import pandas as pd

df = pd.DataFrame([

   ['green', 'M', 10.1],

   ['red', 'L', 13.5],

   ['blue', 'XL', 15.3]])

  

df.columns = ['color', 'size', 'prize']
df

[out:]

	color	size	prize
0	green	M	10.1
1	red	L	13.5
2	blue	XL	15.3

pd.get_dummies(df)

prize	color_blue	color_green	color_red	size_L	size_M	size_XL
0	10.1	0	1	0	0	1	0
1	13.5	0	0	1	1	0	0
2	15.3	1	0	0	0	0	1