Write a function named file_sum that takes as a parameter the name of a text file that contains a list of numbers, one to a line, like this: ``` 23.77 116 94 -12.8 0 14.999 ``` The function should sum the values in the file and write the sum (just that number) to a text file named sum.txt. The file must be named: **file_sum.py**

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Answer the given question with a proper explanation and step-by-step solution.

 Write a function named file_sum that takes as a parameter the name of a text file that contains a list of numbers, one to a line, like this:
```
23.77
116
94
-12.8
0
14.999
```
The function should sum the values in the file and write the sum (just that number) to a text file named sum.txt.

The file must be named: **file_sum.py** 

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