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Sequence 127 — T6 - Python values, types and expressions

Context: Technology Gate B - Programmatic Data Management | Technology Gate
Source: CDMP Master Execution Manual

When / purpose

Understand data representation well enough to read and validate files.

What you should learn

Strings, integers, floats, booleans and None.
Type conversion.
Basic expressions.
Why representation errors matter.

Resources / limits

Use the Technology Competency Roadmap only for active T6–T10; do not jump to later tools. Use the Detailed Technology Competency Reference only for topic detail/readiness; it is not a separate course library.

Do this in order

Create a small script with Meridian-like IDs, dates/statuses and quantities.
Print types.
Convert values intentionally.
Trigger and explain one conversion failure.

Meridian application

Use Meridian synthetic files and database only for bounded practice.

Create / save

Python types exercise.

Stop / boundary

Stop before production data engineering, application development, advanced OOP, orchestration or distributed processing.

Completion gate

You can predict the type/result of simple expressions and explain a conversion error.

NEXT → Sequence 128

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