ContentsPrefacepagexi1TheWayoftheProgram11.1ThePythonProgrammingLanguage11.2WhatIsaProgram?31.3WhatIsDebugging?31.3.1SyntaxErrors31.3.2RuntimeErrors41.3.3SemanticErrors41.3.4ExperimentalDebugging41.4FormalandNaturalLanguages51.5TheFirstProgram61.6Debugging71.7Glossary81.8Exercises92Variables,Ex