git-subtree-dir: users/wpcarro git-subtree-mainline:464bbcb15cgit-subtree-split:24f5a642afChange-Id: I6105b3762b79126b3488359c95978cadb3efa789
		
			
				
	
	
		
			13 lines
		
	
	
	
		
			357 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
	
		
			357 B
		
	
	
	
		
			Python
		
	
	
	
	
	
# 0, 1, 1, 2, 3, 5
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def fib(n):
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    if n < 0:
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        raise Exception("Need to supply an index that's >= 0. Not: {}".format(n))
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    elif n in {0, 1}:
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        return n
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    state = [0, 1]
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    for i in range(1, n):
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        state[0], state[1] = state[1], state[0] + state[1]
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    return state[-1]
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for i in range(10):
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    print("fib({}) => {}".format(i, fib(i)))
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