Changed Regular functions to arrow function

[boluwatifee]

Changed the regular functions to arrow functions

Fixes #1239(<=== Add issue number here)

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[boluwatifee]

@TildaDares issue #1239 has been fixed

[boluwatifee]

@Achele issue #1239 has been fixed, please review

[TildaDares]

Amazing work @boluwatifee. Thank you!

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[TildaDares]

Congratulations on merging your PR @boluwatifee🎉🎉