Step By Step Question For Practice Question 1

[anbu1504]

Proposed Changes

The purpose of this PR is to introduce the notion of having a segmented step by step mode for questions (in this case, just practice question 1). The state from each line is saved and the user cannot switch id's that refer to different variables, which better models how python actually works.

Addresses this issue: #325

Introducing the step-by-step mode

After line 1

Error thrown when trying to switch lines in line 2

Correct solution for line 2

Full correct solution

Type of Change

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Type	Applies?
🚨 Breaking change (fix or feature that would cause existing functionality to change)
✨ New feature (non-breaking change that adds functionality)	X
🐛 Bug fix (non-breaking change that fixes an issue)
🎨 User interface change (change to user interface; provide screenshots)
♻️ Refactoring (internal change to codebase, without changing functionality)
🚦 Test update (change that only adds or modifies tests)
📚 Documentation update (change that only updates documentation)
📦 Dependency update (change that updates a dependency)
🔧 Internal (change that only affects developers or continuous integration)

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Questions and Comments