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大家看一下哈

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顾正遥

#1 Created at ... [Delete] [Delete and Lock User] 
def by_name(l):
    def name(t):
        return t[1]
    return sorted(l, key=name)

L1 = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)]
L2 = by_name(L1)
print(L2)

jackie真失眠gege

#2 Created at ... [Delete] [Delete and Lock User]

tuple 的第一个元素应该是t[0]

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