How do I merge dictionaries together in Python?

Question

d3 = dict(d1, **d2)

I understand that this merges the dictionary. But, is it unique? What if d1 has the same key as d2 but different value? I woul

Answer 1

If you want d1 to have priority in the conflicts, do:

d3 = d2.copy()
d3.update(d1)

Otherwise, reverse d2 and d1.