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>>> def powersum(power, *args):
...      '''Return the sum of each argument raised to specified power.'''
...      total = 0
...      for i in args:
...           total += pow(i, power)
...      return total
...
>>> powersum(2, 3, 4)
25
>>> powersum(2, 10)
100
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entry: 4
entry: 5
entry: 6
(4/(1-(5/6))) = 24
(6/((5/4)-1)) = 24
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entry: 8
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import re
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