environment/lib/python2.7/site-packages/IPython/core/inputsplitter.py
def _tr_system(line_info):
        "Translate lines escaped with: !"
        cmd = line_info.line.lstrip().lstrip(ESC_SHELL)
        return '%sget_ipython().system(%r)' % (line_info.pre, cmd)
def _tr_system(line_info):
        "Translate lines escaped with: !"
        cmd = line_info.line.lstrip().lstrip(ESC_SHELL)
        return '%sget_ipython().system(%r)' % (line_info.pre, cmd)
def _tr_system ( line_info ) : cmd = line_info . line . lstrip ( ) . lstrip ( ESC_SHELL ) return '%sget_ipython().system(%r)' % ( line_info . pre , cmd )
Translate lines escaped with: !
Translate lines escaped with : !