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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