#mapreduce map

[shroudofturing-blog]

mapmap

>>> a=['asd_bsd','xc_ax','xx'] >>> b=['__'] >>> c=['_s_'] >>> L = map(lambda x:x.replace('_','*'), a) >>> L ['asd*bsd', 'xc*ax', 'xx'] >>> N = map(lambda x:map(lambda x:x.replace('_','*'), x),[a,b,c]) >>> N [['asd*bsd', 'xc*ax', 'xx'], ['**'], ['*s*']]