22 lines
268 B
Python
22 lines
268 B
Python
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"""
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分段函数求值
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3x - 5 (x > 1)
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f(x) = x + 2 (-1 <= x <= 1)
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5x + 3 (x < -1)
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Version: 0.1
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Author: 骆昊
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Date: 2018-02-28
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"""
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x = float(input('x = '))
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if x > 1:
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y = 3 * x - 5
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elif x >= -1:
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y = x + 2
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else:
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y = 5 * x + 3
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print('f(%.2f) = %.2f' % (x, y))
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