[Bug]: KeyError When Selecting Columns in Pandas DataFrame

[shristirwt]

Is there an existing issue for this?

• I have searched the existing issues

What happened?

When executing the code to manipulate DataFrames containing programming language data from the years 2018, 2019, and 2020, a KeyError occurs while selecting specific columns after transposing the DataFrame for the year 2018.

Add ScreenShots

No response

What browsers are you seeing the problem on?

No response

Record

• I agree to follow this project's Code of Conduct
• I'm a GSSOC contributor
• I want to work on this issue
• I'm willing to provide further clarification or assistance if needed.

[github-actions]

Thank you for creating this issue! 🎉 We'll look into it as soon as possible. In the meantime, please make sure to provide all the necessary details and context. If you have any questions or additional information, feel free to add them here. Your contributions are highly appreciated! 😊

You can also check our CONTRIBUTING.md for guidelines on contributing to this project.