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IPython使用问题记录

2016-02-29 12:03 579 查看
1. ‘c’ engine does not support regex separators: 

In [73]: users = pd.read_csv(upath, sep='::', header=None, names=unames, encoding=encoding)
/Users/[your_name]/Library/Enthought/Canopy_64bit/User/bin/ipython:1: ParserWarning: Falling back to the 'python' engine because the 'c' engine does not support regex separators; you can avoid this warning by specifying engine='python'.


根据报错提示输入命令就OK了：

In [74]: users = pd.read_csv(upath, sep='::', header=None, names=unames, encoding=encoding, engine='python')


2. %run命令:

在IPython shell中访问脚本中的变量，执行时只用
％run
:



希望脚本能访问交互式IPython命名空间中定义的变量：
%run -i


def f(x, y, z, w):
return (x + y) / z + w
a = 5
b = 6
c = 7.5

result = f(a, b, c, w)


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