How to reverse or invert a dictionary mapping in python

In this video i have shared python tutorial on how to reverse or invert a dictionary mapping in python using dictionary comprehension in single expression.
here is exact code i used for this video.
How to invert or reverse dictionary mapping
empData = {'Rohan':10,'Rakesh':20,'Arvind':30}
print(empData['Rohan'])
for k,v in empData.items():
print(k,v)
revers_mapping = {v:k for k,v in empData.items()}
print(revers_mapping)

#python_tutorial #reverse_mapping_dictionary_python #invert_dictionary_python .

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