Write a function that reads a single line of numbers from a file named "question1.txt", and returns the average of the numbers read. For example, if the file is as follows: ----- question1.txt ----- 1 3 5 -2 4 0 6 -2 -3 ------------------------- then the function must return 12/9 = 1.33333

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter8: I/o Streams And Data Files
Section8.4: File Streams As Function Arguments
Problem 3E
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Write a function that reads a single line of numbers from a file named
"question1.txt", and returns the average of the numbers read. For example, if
the file is as follows:

----- question1.txt -----
1 3 5 -2 4 0 6 -2 -3
-------------------------

then the function must return 12/9 = 1.33333

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