Phyton Clean code for sequence of map/filter/reduce functions python clean code examples,python clean code tutorial,python clean

PyFunctional lets you do exactly that after installing via pip install PyFunctional

from functional import seq

seq(some_list).map(lambda x: x -1, a).filter(lambda x: x>0).reduce(lambda x, y: x*y)

The package can do much more than that, which you can checkout at github.com/EntilZha/PyFunctional

Answer:1

If you can use foreign library, look for

https://github.com/serkanyersen/underscore.py

It is python port of underscore.js. Therefore you can use chain() method to begin filter, map, reduce , and get the result by value() method.

Using this library, you can write something like

from underscore import _
my_array = [10, 48, -1, 30, 20, 0]
result = _(my_array).chain().map(lambda x,*a: x - 1).filter(lambda x: x > 0).reduce(lambda x,y,*a: x*y, 1).value()

I tested in python 3.4.2 and seems to work fine.

Answer:2



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