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Error messages

The report a programming language gives when it can't do what a program asks, saying what kind of problem it is and where.

Depth 1 · Foundation

You read a Python traceback from the bottom up, tell a SyntaxError (nothing runs) from a NameError or ZeroDivisionError (stops at that line), and fix the first error before running again.

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Depths of understanding

  1. 1

    Foundation

    You read a Python traceback from the bottom up, tell a SyntaxError (nothing runs) from a NameError or ZeroDivisionError (stops at that line), and fix the first error before running again.

    Opens after

    ExpressionMost first errors are in expressions - a missing bracket, an unknown word, a division by zero - so you need to know how expressions are written and worked out.

Your path here

What's still between you and Error messages, depth 1, in the order you can learn it.

  1. 1ProgramDepth 1 · Foundation · Program Basics
  2. 2ExpressionDepth 1 · Foundation · Program Basics
  3. 3Error messagesDepth 1 · Foundation · Program Basics

Where it fits

Builds on

Expression

This concept

Error messagesProgram Basics

Opens up

DebuggingWriting Correct Code