调试时，我经常掉入IPython Shell进行交互式代码测试。但是，这也会导致python版本，日期和帮助说明的大量信息转储到stdout。如何抑制此信息，以免掩盖故意的调试消息？
x = get_important_data()
print 'important info! right here! The data is in variable "x"'
import IPython
IPython.embed()
这段代码给出了这样的输出...
important info! right here! The data is in variable "x"
Python 2.7.11 |Anaconda 2.4.0 (x86_64)| (default, Dec 6 2015, 18:57:58)
Type "copyright", "credits" or "license" for more information.
IPython 4.0.0 -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help -> Python's own help system.
object? -> Details about 'object', use 'object??' …