如果我有一本像这样的字典:
{'a': 1, 'b': 2, 'c': 3}
我怎么把它转换成这个?
[('a', 1), ('b', 2), ('c', 3)]
我怎么把它转化成这个?
[(1, 'a'), (2, 'b'), (3, 'c')]
如果我有一本像这样的字典:
{'a': 1, 'b': 2, 'c': 3}
我怎么把它转换成这个?
[('a', 1), ('b', 2), ('c', 3)]
我怎么把它转化成这个?
[(1, 'a'), (2, 'b'), (3, 'c')]
当前回答
因为没有人这样做,我将添加py3k版本:
>>> d = { 'a': 1, 'b': 2, 'c': 3 }
>>> list(d.items())
[('a', 1), ('c', 3), ('b', 2)]
>>> [(v, k) for k, v in d.items()]
[(1, 'a'), (3, 'c'), (2, 'b')]
其他回答
另一个选择是
list(dictionary.items()) # list of (key, value) tuples
list(zip(dictionary.values(), dictionary.keys())) # list of (value, key) tuples
d = {'John':5, 'Alex':10, 'Richard': 7}
list = []
for i in d:
k = (i,d[i])
list.append(k)
print list
>>> a={ 'a': 1, 'b': 2, 'c': 3 } >>> [(x,a[x]) for x in a.keys() ] [('a', 1), ('c', 3), ('b', 2)] >>> [(a[x],x) for x in a.keys() ] [(1, 'a'), (3, 'c'), (2, 'b')]
因为没有人这样做,我将添加py3k版本:
>>> d = { 'a': 1, 'b': 2, 'c': 3 }
>>> list(d.items())
[('a', 1), ('c', 3), ('b', 2)]
>>> [(v, k) for k, v in d.items()]
[(1, 'a'), (3, 'c'), (2, 'b')]
[(k,v) for (k,v) in d.iteritems()]
and
[(v,k) for (k,v) in d.iteritems()]