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[Nested Comprehensions] [Pythonic] solution in Clear category for Zigzag Array by sanddro
def create_zigzag(rows: int, columns: int, start: int = 1) -> list[list[int]]:
return [
[
y
for y in (
range(
columns * row + columns + start - 1, columns * row + start - 1, -1
)
if row % 2
else range(columns * row + start, columns * row + columns + start, 1)
)
]
for row in range(rows)
]
Jan. 19, 2025
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