def flatten(t): return [item for sublist in t for item in sublist]. As evidence, you can use the timeit module in the standard library: $ python -mtimeit ... ... <看更多>

def flat(alist):. ''' No Python hacks in this implementation. Also, this accepts many levels of nested lists. The limit is in the number of recursive calls. ... <看更多>

Proposals for a flatten function to be added to the standard library appear from time to time on python-dev and python-ideas mailing lists. ... <看更多>

Flatten Nested List Iterator (Python). Related Topic. Stack. Description. Given a nested list of integers, implement an iterator to flatten ... ... <看更多>