2025-07-26 23:34
Python
<code>Python<br/>def fibonacci(n): a, b = 0, 1 for _ in range(n): yield a a, b = b, a + b <h1>计算并打印斐波那契数列的前20项</h1> for num in fibonacci(20): print(num)</code>
for num in fibonacci(20):
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