spread python Code Snippet in 2024
listintermediate
Last Updated: 1 December 2024
Flattens a list, by spreading its elements into a new list.
- Loop over elements, use
list.extend()if the element is a list,list.append()otherwise.
def spread(arg): ret = [] for i in arg: ret.extend(i) if isinstance(i, list) else ret.append(i) return ret
spread([1, 2, 3, [4, 5, 6], [7], 8, 9]) # [1, 2, 3, 4, 5, 6, 7, 8, 9]
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