In Python, if we have CSV files containing the first and last names and performance scores of employees (out of 100, decimals okay), how would we write a function to output the average score of whichever file we choose to open (without using import)?  Sample of what the CVS file might look like included.

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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In Python, if we have CSV files containing the first and last names and performance scores of employees (out of 100, decimals okay), how would we write a function to output the average score of whichever file we choose to open (without using import)?  Sample of what the CVS file might look like included.

Transcription:

---

**Scores of Students**

Below is the list of students along with their respective scores:

- **John Smith:** 77.3
- **Anna Johnson:** 80.2
- **Mary Brown:** 95.7
- **Tony Anderson:** 32.5

No graphs or diagrams are present in the provided data. The list is aimed to show the scores achieved by each student.

---

This transcription is designed to present the text from the image in a clear and organized manner for an educational website.
Transcribed Image Text:Transcription: --- **Scores of Students** Below is the list of students along with their respective scores: - **John Smith:** 77.3 - **Anna Johnson:** 80.2 - **Mary Brown:** 95.7 - **Tony Anderson:** 32.5 No graphs or diagrams are present in the provided data. The list is aimed to show the scores achieved by each student. --- This transcription is designed to present the text from the image in a clear and organized manner for an educational website.
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