##T1
L = [('Bob', 75), ('adam', 92), ('Bart', 66), ('Lisa', 88)] sorted(L,key=lambda x:x[0].lower())
##T2
L = [('Bob', 75), ('adam', 92), ('Bart', 66), ('Lisa', 88)] sorted(L,key=lambda x:x[1])
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阿花的阿发
##T1
##T2