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viper1090

#1 Created at ... [Delete] [Delete and Lock User] 
L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)]
def by_name(t):
    return t[0]
L2 = sorted(L, key=by_name)

def by_score(t):
    return t[1]
L2 = sorted(L, key=by_score)

viper1090

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

订正：by_score乘一个‘-1’

用户6457785729

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

加个：reverse=True,也可以的

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