DataFrame.tail

DataFrame.tail(n=5)
返回最后n行。
对于n的负值，此函数返回除前n行之外的所有行。

Example

import pandas as pd
df = pd.DataFrame({'site':['google', 'baidu', 'wiki', 'pandas'],
                    'age':[18, 39, 22, 45],
                    'price': [1.0, 2.0, 3.0, 4.0],
                    'color': ['red', 'black', None, 'red']})
df.tail(3)
--------------------------------------------------------
    site    age    price    color
1    baidu    39    2.0        black
2    wiki    22    3.0        None
3    pandas    45    4.0        red

Example

import pandas as pd
df = pd.DataFrame({'site':['google', 'baidu', 'wiki', 'pandas'],
                    'age':[18, 39, 22, 45],
                    'price': [1.0, 2.0, 3.0, 4.0],
                    'color': ['red', 'black', None, 'red']})
df.tail(-3)
------------------------------------------------------
    site    age    price    color
3    pandas    45    4.0        red