Question: A file concordance tracks the unique words in a file and their frequencies. Write a program that displays a concordance for a file. The program

A file concordance tracks the unique words in a file and their frequencies. Write a program that displays a concordance for a file. The program should output the unique words and their frequencies in alphabetical order. Variations are to track sequences of two words and their frequencies, or n words and their frequencies.

Below is an example file along with the program input and output:

example.txt

I AM SAM I AM SAM SAM I AM

Enter the input file name: example.txt rnAM 3 rnI 3 rnSAM 3

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