How to check key exists in python dictionary

Python dictionary is an unordered collection of items and its work on key => value pair of data, optimizes and retrieves its values when the key is known.



Python dictionary format:-

exampledict = {} //blank dictionary initialize

exampldict2 = {"key1":"value1","key2":"value2"} //create dictionary with existing items

Check dictionary key exists:-
method 1:-

if 'key1' in exampledict2:
    print('key1 exist')
else:
    print('key1 not exist')

method 2 (if you want to set default value or reference value assign then use this way):-

status = 'Active' if 'key' in exampledict2 else 'Deactive'