Flatten list
Flattens a list of lists once.
- Use a list comprehension to extract each value from sub-lists in order.
def flatten(lst): return [x for y in lst for x in y] flatten([[1, 2, 3, 4], [5, 6, 7, 8]]) # [1, 2, 3, 4, 5, 6, 7, 8]
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