Check if a given key already exists in a dictionary
To check if a given key already exists in a dictionary, you can use the in keyword.
Tags
To check if a given key already exists in a dictionary, you can use the in keyword. For example:
Check if a given key already exists in a dictionary in Python using the 'in' keyword
python— editable, runs on the server
This will output Key 'a' exists in dictionary. If you want to check if a key does not exist in the dictionary, you can use the not in keyword.
For example:
Check if a given key does not exist in a dictionary in Python using the 'not in' keyword
python— editable, runs on the server
This will output Key 'd' does not exist in dictionary.