L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)] def by_name(x): return x[0].lower() L2 = sorted(L, key=by_name) print(L2)
def by_score(x): return x[1] L2 = sorted(L, key=by_score) print(L2)
直接x[1]就是从低到高排了，可以乘个-1
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Kanvisen
L = [('Bob', 75), ('Adam', 92), ('Bart', 66), ('Lisa', 88)]
def by_name(x):
return x[0].lower()
L2 = sorted(L, key=by_name)
print(L2)
def by_score(x):
return x[1]
L2 = sorted(L, key=by_score)
print(L2)