A KeyError is an Exception that raises when a dictionary key is not found in the set of existing keys of a dictionary.
Solution for How to except a KeyError in Python : You can use a try-and-except block to except a KeyError Create a try-statement. Create an except-statement with the syntax except KeyError as exception: to except a KeyError under the variable name exception. If the code in the try-statement raises a KeyError exception, the program continues to the except-statement.
