Python Developer
Practice readable scripts, explicit input contracts and repeatable local tests. Build a foundation before adding web frameworks or production services.
Milestones
- 1
Install Python 3 and run the first local script
Course practice ahead
- 2
Trace lists and loops, including empty input
Portfolio self-review milestone
- 3
Complete the defensive-function assessment
Portfolio self-review milestone
- 4
Build and document the expense-summary project
Portfolio self-review milestone
Portfolio requirements
- Expense summary with invalid-input handling
- README with Python version and run/test commands
- Tests for empty, ordinary and invalid input
Include source code, setup instructions, a test command and documented limitations. Never include secrets or private client data.
Interview practice
- Explain an accumulator
- Explain indentation and function scope
- Compare conversion and validation
- Show how a ValueError reaches the caller
After this foundation
Continue with modules, files, unittest, HTTP clients and database access. Production backend architecture is outside this introductory path.
Estimated time: 25 hours including project practice. Employment and professional competence are not guaranteed.
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