Added Dice Roller in Python

[asryan11]

Fix to Issue #148

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I have added a Python script by which we can roll two dice to get random numbers.

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Checklist

• [ yes] I read the contributing guidelines
• [yes ] I structured my project as stated in the contributing guidelines
• [yes] My project uses dependencies
• [ yes] I starred the repo
• [ yes] I had fun contributing!

[theadeyemiolayinka]

Project reviewed and merged. Thank you @asryan11 Feel free to add more projects.