我认为这一切可以通过循环(也许?)中的来实现,但是有一些方法的字典或任何其他模块,为我保存这份工作?我使用的实际字典真的很大...
解决方案你可以做
orig.update(extra)或者,如果您不希望修改 orig ,请先复制一份:
dest = dict(orig)#或orig.copy() dest.update(extra)请注意,如果extra和orig具有重叠的键,则最终值将从额外的值中获取。例如,
>>> d1 = {1:1,2:2} >>>> d2 = {2:'ha!',3:3} >>> d1.update(d2)>>> d1 {1:1,2:'ha!',3:3}
I have two existing dictionaries, and I wish to 'append' one of them to the other. By that I mean that the key,values of the other dictionary should be made into the first dictionary. For example:
orig = { 'A': 1, 'B': 2, 'C': 3, } extra = { 'D': 4, 'E': 5, } dest = # something here involving orig and extra print dest { 'A': 1, 'B': 2, 'C': 3, 'D': 4, 'E': 5 }I think this all can be achieved through a for loop (maybe?), but is there some method of dictionaries or any other module that saves this job for me? The actual dictionaries I'm using are really big...
解决方案You can do
orig.update(extra)or, if you don't want orig to be modified, make a copy first:
dest = dict(orig) # or orig.copy() dest.update(extra)Note that if extra and orig have overlapping keys, the final value will be taken from extra. For example,
>>> d1 = {1: 1, 2: 2} >>> d2 = {2: 'ha!', 3: 3} >>> d1.update(d2) >>> d1 {1: 1, 2: 'ha!', 3: 3}
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