Live execution visualization — English

The live preview synchronizes source code, flowchart, variables, output and call stack during execution.

x = 2
If x > 0 Then:
    Display "positive"
Else:
    Display "negative"
End

Pseudocode → Tutor: Step-by-step execution
Source | Variables | Flowchart
First step · Previous step · Play · Pause · Next step · Last step
Output · Call stack · Speed

The Tutor session is produced by pseudo-lsp from the shared pseudocode-tutor/v2 model. Thonny renders that model and highlights stable node/edge identifiers without reinterpreting the program in the UI.