21 lines
300 B
Python
21 lines
300 B
Python
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import operator
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def diff(a):
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return list(map(operator.sub, a[1:], a[:-1]))
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sequence = [-0.5,1,4.5,10,17.5]
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row1 = diff(sequence)
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row2 = diff(row1)
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a = row2[0] / 2
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b = row1[0] - (3 * a)
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c = sequence[0] - a - b
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print('''
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a = {0}
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b = {1}
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c = {2}
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Equation: {0}n^2 + {1}n + {2}
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'''.format(a, b, c))
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