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Workflows
Coding workflows · Finite iterator interleaving
03
A concrete starting point
Interleave finite input iterables one value per turn. Skip exhausted inputs, preserve None as a real value and keep the original lists unchanged when their lengths differ.
Define the change
Describe the input, expected output and boundaries that must stay intact.
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Check the outcome
Compare actual behavior with the expected result. If a check fails, investigate it before applying more changes.
Finite iterator interleaving
A concrete starting point
from collections import deque
def interleave(groups):
active = deque(map(iter, groups))
while active:
current = active.popleft()
try: value = next(current)
except StopIteration: continue
yield value
active.append(current)The example is a starting point for a real project, not a claim that generated code is already tested. Adjust paths, dependencies and expected behavior to match your application.