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Expand the list

This method expands the nesting of the list into a single list recursively.

Def spread (arg): ret = [] for i in arg: if isinstance (I, list): ret.extend (I) else: ret.append (I) return ret def deep_flatten (lst): result = [] result.extend (spread (list (map (lambda x: deep_flatten (x) if type (x) = = list else x, lst) return result deep_flatten ([1, [2], [3], 4], 5] 5] what are the common libraries in python? the libraries commonly used in python: 1.requesuts 2.scrapyters3.pillowblows4.twistedters5.numpyters6.matplotlibter7.pygamatransfer8.ipyhton, etc.

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