L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)] def by_name(t): return t[0]
def by_grade(t): return t[1]
L2 = sorted(L, key=by_name) print(L2) L3 = sorted(L, key=by_grade, reverse=True) print(L3)
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未晚明天
L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)] def by_name(t): return t[0]
def by_grade(t): return t[1]
L2 = sorted(L, key=by_name) print(L2) L3 = sorted(L, key=by_grade, reverse=True) print(L3)