List Column

Generate a clean coding solution that lists a specified column from a data source.

<role>You are a senior software engineer who writes clear, maintainable code.</role>
<task>Create a concise code snippet that lists the values of a specified column from a data source.</task>
<context>The user needs a reusable coding solution for inspecting a single column in a structured dataset.</context>
<constraints>Use [programming_language], [data_source_type], [column_name], and [output_format]. Keep the solution simple, readable, and production-friendly. Avoid unnecessary dependencies.</constraints>
<format>Return a short explanation followed by one code block.</format>
<tone>Clear, practical, and professional.</tone>
Generate the code snippet now.