35 lines
531 B
Python
35 lines
531 B
Python
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'''
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>24<EFBFBD><EFBFBD>
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<EFBFBD><EFBFBD>Ŀ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>2/1<EFBFBD><EFBFBD>3/2<EFBFBD><EFBFBD>5/3<EFBFBD><EFBFBD>8/5<EFBFBD><EFBFBD>13/8<EFBFBD><EFBFBD>21/13...<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>ǰ20<EFBFBD><EFBFBD>֮<EFBFBD>͡<EFBFBD>
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1.<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ץס<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD>ı仯<EFBFBD><EFBFBD><EFBFBD>ɡ<EFBFBD>
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2.<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>룺
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'''
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#<23><><EFBFBD><EFBFBD>һ
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a = 2.0
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b = 1.0
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s = 0
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for n in range(1,21):
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s += a / b
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t = a
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a = a + b
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b = t
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print s
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#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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s = 0.0
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for n in range(1,21):
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s += a / b
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b,a = a , a + b
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print s
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s = 0.0
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for n in range(1,21):
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s += a / b
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b,a = a , a + b
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print s
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#<23><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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l = []
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for n in range(1,21):
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b,a = a,a + b
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l.append(a / b)
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print reduce(lambda x,y: x + y,l)
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