'''sorted 可以排列list, reverse=True 可以倒序排列'''## def list_Dict(x):#     m = {}#     for k,v in enumerate(x):#         m[k]=v#     print(m)#     return m## def sorted_dict(x):#     print(x)#     a = sorted(x.values(),reverse=True)#     print('sorted_dict:',a)#     return adef sorted_dict(x):    def ss(*args):        print(*args)        b = x(*args)        a = sorted(b.values(),reverse=True)        print('sorted_dict:',a)        return b    return ss@sorted_dictdef list_Dict(x):    m = {}    for k,v in enumerate(x):        m[k]=v    print(m)    return mlist_a = [1,2,3,5,12,9,23,99,49,23]list_Dict(list_a)

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add dict的排列:

1. 用 lambda

2. 用operator.itemgetter()

>>> xs = {'a': 4, 'b':3, 'c':2, 'd':1}

>>> sorted(xs.items(),key = lambda x:x[1])

[('d', 1), ('c', 2), ('b', 3), ('a', 4)]

>>> import operator

>>> sorted(xs.items(), key=operator.itemgetter(1))

[('d', 1), ('c', 2), ('b', 3), ('a', 4)]

>>>