Create weighted_Umut_Şahin.py

[UmutSahin42]

Describe your changes

Checklist

• I have read the [CONTRIBUTING]
• I have performed a self-review of my own code
• I have run the code locally and it works as expected
• I have commented my code, particularly in hard-to-understand areas

Screenshots (if appropriate)

[canbula]

In the module names we only use lowercase letters. Also special Turkish characters are not allowed.

[canbula]

See the test results.