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StartIntroductionPart 1Programming basicsPart 2Data structuresPart 3Applied Python
Module 0 lab

Compiler vs Interpreter

Compare Python line-by-line execution with a C++ compile-and-run flow.

Mode
Code state
Codemain.py
1x = 5
2y = 10
3z = x + error_variable
4print("Success:", z)
Execution explanation

Press Start Step to execute Python one line at a time.

Execution Trace & Output
Output appears here after you run a step.