摘要：
```
#!/usr/bin/env python
# _*_ coding: utf-8 _*_
# @Time : 2017/4/18 15:22
# @Author : otfsenter
# @File : strip_extr.py
import pprint import jieba
import numpy as np
import pandas as pd
i... 阅读全文
摘要：
```
http://bit.ly/uforeports
``` 阅读全文
摘要：
```
df = pd.DataFrame(np.arange(16).reshape((4, 4)), index=['Ohio', 'Colorado', 'Utah', 'New York'], columns=['one', 'two', 'three', 'four']) df.ix[np.logical_and(df... 阅读全文
摘要：
sales feb 2014.xlsx sales jan 2014.xlsx sales mar 2014.xlsx ['sales feb 2014.xlsx', 'sales jan 2014.xlsx', 'sales mar 2014.xlsx'] account number name 阅读全文