36 lines
1.0 KiB
Python
36 lines
1.0 KiB
Python
from typing import Sequence, List, Tuple, TypeVar
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T = TypeVar('T')
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def columnize(sequence: Sequence[T], num_columns: int = 0) -> List[Tuple[T, ...]]:
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if num_columns == 0:
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num_columns = round(len(sequence) ** .5)
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num_rows, reminder = divmod(len(sequence), num_columns)
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num_rows += bool(reminder)
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return [tuple(sequence[i::num_rows]) for i in range(num_rows)]
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def demo() -> None:
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nato = ('Alfa Bravo Charlie Delta Echo Foxtrot Golf Hotel India'
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' Juliett Kilo Lima Mike November Oscar Papa Quebec Romeo'
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' Sierra Tango Uniform Victor Whiskey X-ray Yankee Zulu'
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).split()
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for line in columnize(nato):
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for word in line:
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print(f'{word:15}', end='')
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print()
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print()
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for length in range(2, 21, 6):
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values = list(range(1, length + 1))
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for row in columnize(values):
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for cell in row:
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print(f'{cell:5}', end='')
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print()
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print()
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if __name__ == '__main__':
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demo()
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