Question: In C#, Write a program that takes its input from a text file of strings representing numbers of type double and appends the average of

In C#, Write a program that takes its input from a text file of strings representing numbers of type double and appends the average of the numbers in the file to the end of the file

. When taking its input, if the text file is not there, the program should catch this exception. The file contains nothing but strings representing numbers of type double, one per line.

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