斐波那契

#!/usr/bin/python3 
 
import sys def fibonacci(n): 
# 生成器函数 - 斐波那契 
 
a, b, counter = 0, 1, 0 
while True: if (counter > n): 
	return yield a a, b = b, a + b 
	counter += 1 
f = fibonacci(10) # f 是一个迭代器，由生成器返回生成 while True: try: print (next(f), end=" ") except StopIteration: sys.exit()

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