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Older People

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示例

输入
p1 = ("Adam", 1977)
p2 = ("Ellen", 1985)
p3 = ("Mary", 1953)
p4 = ("Ernest", 1997)
people = [p1, p2, p3, p4]

older = solve(people, 1979)
print(older)
期望输出
['Adam', 'Mary']
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