Class Notes (839,113)
Canada (511,191)
CMPT 120 (49)
Greg Baker (15)
Lecture

Debugging

2 Pages
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Department
Computing Science
Course Code
CMPT 120
Professor
Greg Baker

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Description
10192007CMPT120DebuggingYou will make mistakes when programmingoFixing them is a big part of the processDont start coding until you know what you want your program to dooNo hope of succeeding if notoYou should have an algorithm in mind or written down before writing codeoHow to do that in Python comes nextFinding errors can be very hardoParts of the program can have effects you didnt expectoCause of the problem might not be anywhere near the symptomThere are three main categories of errorsoSyntax errorsWhat you have typed isnt legal Python codeA SyntaxError in PythonCommon errorsBad indentationoegif x0printprintmismatched quotesbracketsoegprint Hello worldx1yzlens vs oRuntime errorsWhile the program is running it hits something it cant handleegprint xNameError
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