1>>> df = pd.DataFrame({'age': [ 3, 29],
2... 'height': [94, 170],
3... 'weight': [31, 115]})
4>>> df
5 age height weight
60 3 94 31
71 29 170 115
8>>> df.dtypes
9age int64
10height int64
11weight int64
12dtype: object
13>>> df.values
14array([[ 3, 94, 31],
15 [ 29, 170, 115]])
16