Created Tip_Calculator - Githubissues

Added a Tip Calculator to calculate Tip as per the service.

[x] Have you checked that there aren't other projects for the same topic in any language?
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[x] Have you tested your code locally within another machine for it to execute without changes/updates?
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[x] Do you accept that this code is not available elsewhere on internet and you completely owe the rights to this project code.

OyePradumya / Collection