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Encourage students to step away from buggy code and think about the big picture as a part of the debugging process.

  • Have students think about the goal at the highest level and work their way back to the code.

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  • Development Methods
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Interview with Nick Melnyk

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Other Tips By Nick Melnyk

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Reinforce that certain types in Python such as lists are mutable while others (e.g. strings, tuples) are not. Students have difficulty tracing code that uses mutable types because they often forget this.
Misconception: When students use the division operator during declaration or assignment of a Double in Java, like double x = a/b, they forget about integer division, which can result in rounding errors.
Have assignments include visualizations of the code students create and run to help them see exactly what it does.

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