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240427e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | """Regenerates data/arithmetic-14k.jsonl exactly (14,000 items = 7 types x 2,000, fixed seeds).
python3 scripts/make_arithmetic_14k.py out.jsonl (needs numpy; RandomState(seed).randint is stable across numpy versions)"""
import json, sys
import numpy as np
SPECS = [("2da", 2, "+", 101), ("2ds", 2, "-", 102), ("3da", 3, "+", 103), ("3ds", 3, "-", 104),
("4da", 4, "+", 105), ("5da", 5, "+", 106), ("2dm", 2, "*", 107)]
NAMES = {"+": "addition", "-": "subtraction", "*": "multiplication"}
def items():
n = 0
for tag, digits, op, seed in SPECS:
rng = np.random.RandomState(seed); lo, hi = 10 ** (digits - 1), 10 ** digits - 1
for k in range(2000):
x, y = int(rng.randint(lo, hi + 1)), int(rng.randint(lo, hi + 1))
if op == "-" and y > x:
x, y = y, x # subtraction never goes negative
z = x + y if op == "+" else (x - y if op == "-" else x * y)
yield {"id": f"{tag}-{k:04d}", "type": tag, "operation": NAMES[op], "digits": digits, "a": x, "operator": op, "b": y,
"question": f"What is {x} {op} {y}?", "answer": str(z)}
n += 1
if __name__ == "__main__":
with open(sys.argv[1], "w") as f:
for it in items():
f.write(json.dumps(it) + "\n")
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