Renaming The Keys Of A Dictionary

How to change a key in a Python dictionary? A routine returns a dictionary. Everything is OK with the dictionary except a couple keys need to be renamed. This code below copies th

Solution 1:

dict keys are immutable. That means that they cannot be changed. You can read more from the docs

dictionaries are indexed by keys, which can be any immutable type

Here is a workaround using dict.pop

>>>d = {1:'a',2:'b'}>>>d[3] = d.pop(1)>>>d
{2: 'b', 3: 'a'}