Sözlükte key ve value değerlerini yer değiştiren program

[python35]

    #a="abc"
    #b={i:j for i,j in enumerate(a,1)} {1: 'a', 2: 'b', 3: 'c'} 
    #print(list(b.items())) [(1, 'a'), (2, 'b'), (3, 'c')] 
    b={1: 'a', 2: 'b', 3: 'c'} 
    def replace_dict(param1):
        new_dict=dict()
        for key,value in list(param1.items()):
            new_dict[value]=key
        return new_dict
    print(replace_dict(b))
    {'a': 1, 'b': 2, 'c': 3}

[aib]

replace_dict = lambda dict_: { v: k for k, v in dict_.items() }