Question: PYTHON write a program that replaces text in a file. Your program should prompt the user to enter a filename, and old string, and a

PYTHON

write a program that replaces text in a file. Your program should prompt the user to enter a filename, and old string, and a new string. Sample run:

enter a filename: test.txt

enter the old string to be replaced: morning

enter the new string to replace the old string: afternoon

done

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