[BUG] use const instead of let

[genzyy]

Describe the bug

It's not a bug but its a way of declaring the variable as constant if its not changing.

I think we can use constant variables here instead of using let.

To Reproduce

Check this file.

Expected Behavior

Using const instead of let.

Screenshot/ Video

No response

Desktop (please complete the following information)

Device - Device independent
OS - OS independent
Browser - Browser independent
Version - current

Additional context

No response

[github-actions]

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