Enhance main loop with user and language options, and update tests and docs

[sweep-mine[bot]]

Description

This pull request enhances the main loop with user and language options, and updates tests and docs.

Summary

• Updated main.py to include options for changing user, selecting language, practicing, showing statistics, and exiting
• Added test_user.py to test user-related functionality
• Updated controller.py to include methods for changing user and selecting language
• Updated model.py to include a default user and methods for setting the user

Fixes #33.

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Sandbox Executions

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Apply Sweep Rules to your PR?

• [ ] Apply: All docstrings and comments should be up to date.
• [ ] Apply: Code should not contain commented out code blocks.
• [ ] Apply: Variable and function names should be descriptive and follow a consistent naming convention.
• [ ] Apply: Avoid redundant or unused imports and variables.
• [ ] Apply: Import modules using absolute imports.
• [ ] Apply: All new business logic should have corresponding unit tests in the tests/ directory.
• [ ] Apply: For unit tests we use pytest. If we have class.py, we should have class_test.py in the tests directory.
• [ ] Apply: Any clearly inefficient or repeated code should be optimized or refactored.
• [ ] Apply: Update the README.md file whenever a new feature is added. Make sure to include a description of the feature and any new commands.

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The command: Run # stop the build if there are Python syntax errors or undefined names yielded the following error: ##[error]Process completed with exit code 1. Here are the logs:

./ultra_type/controller.py:27:1: E999 IndentationError: expected an indented block after function definition on line 26
def change_user(self):
^
1     E999 IndentationError: expected an indented block after function definition on line 26
1

[sweep-mine[bot]]

🚀 Wrote Changes

Done.