from functools import reduce def prod(L): return reduce(a,L) def a(x,y): return x*y
print('3 5 7 * 9 =', prod([3, 5, 7, 9])) if prod([3, 5, 7, 9]) == 945: print('测试成功!') else: print('测试失败!')
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霸下
from functools import reduce def prod(L): return reduce(a,L) def a(x,y): return x*y
print('3 5 7 * 9 =', prod([3, 5, 7, 9])) if prod([3, 5, 7, 9]) == 945: print('测试成功!') else: print('测试失败!')