Create 0401-0500.md

[agastya3636]

Add 100 basic gfg question

Related Issue

Fix: #470

Adding 0401 - 0500 basic questions of gfg

Description

Created a file name 0401-0500.md which contains 100 questions of gfg

Type of PR

• Bug fix
• Feature enhancement
• Documentation update
• Other (specify): _______________

Screenshots / Videos (if applicable)

[Attach any relevant screenshots or videos demonstrating the changes]

Checklist

• I have performed a self-review of my code.
• I have read and followed the Contribution Guidelines.
• I have tested the changes thoroughly before submitting this pull request.
• I have provided relevant issue numbers, screenshots, and videos after making the changes.
• I have commented my code, particularly in hard-to-understand areas.

Additional Context

[Include any additional information or context that might be helpful for reviewers.]

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[deepsource-io]

Here's the code health analysis summary for commits a6e7d06..e149160. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
JavaScript	✅ Success		View Check ↗

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[ajay-dhangar]

Done