chore: Updated the coding structure for more readability.

[Harish-Kushwah]

Description of Change

• Used "typedef" before the "struct" for avoiding the repetition of same code while using "struct node".
• Used "for" loops for reducing the number fo lines and improved the readability of loops.
• Improved the variable names.

Checklist

• Added description of change
• Added file name matches File name guidelines
• Relevant documentation/comments is changed or added
• PR title follows semantic commit guidelines

Notes:Improved the readability of code

[github-actions]

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[github-actions]

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