environment/lib/python2.7/site-packages/IPython/utils/io.py
def raw_input_ext(prompt='',  ps2='... '):
    """Similar to raw_input(), but accepts extended lines if input ends with \\."""

    line = raw_input(prompt)
    while line.endswith('\\'):
        line = line[:-1] + raw_input(ps2)
    return line
def raw_input_ext(prompt='',  ps2='... '):
    """Similar to raw_input(), but accepts extended lines if input ends with \\."""

    line = raw_input(prompt)
    while line.endswith('\\'):
        line = line[:-1] + raw_input(ps2)
    return line
def raw_input_ext ( prompt = '' , ps2 = '... ' ) : line = raw_input ( prompt ) while line . endswith ( '\\' ) : line = line [ : - 1 ] + raw_input ( ps2 ) return line
Similar to raw_input(), but accepts extended lines if input ends with \\.
Similar to raw_input () but accepts extended lines if input ends with \\ .