Update main.py

[allisonfintz]

Closes Issue #638 Enforce PEP8 naming conventions in Number Guessing App

Type of change

• [ yes] Enhanced documentation

Changes proposed in this pull request: 22

• Project name : Number Guessing App

• Short description :

• Edited naming system of variables and function names

Checklist

• [yes ] The code is Python 3 compatible
• [yes ] I have added relevant comments in my file to make code understandable
• [yes ] I have added my project in a folder which includes all the necessary files
  Changes.pdf

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[Mrinank-Bhowmick]

Thanks for the changes