CSC 101 Principles in Information Technology and Computation

Glossary Glossary

Body.

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The sequence of statements within a compound statement.

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Boolean Expression.

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An expression whose value is either True or False.

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Branch.

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One of the alternative sequences of statements in a conditional statement.

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Chained Conditional.

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A conditional statement with a series of alternative branches.

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Comparison Operator.

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One of the operators that compares its operands: ==, !=, >, <, >=, and <=.

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Conditional Statement.

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A statement that controls the flow of execution depending on some condition.

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Condition.

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The boolean expression in a conditional statement that determines which branch is executed.

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Compound Statement.

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A statement that consists of a header and a body. The header ends with a colon (:). The body is indented relative to the header.

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Guardian Pattern.

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Where we construct a logical expression with additional comparisons to take advantage of the short-circuit behavior.

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Logical Operator.

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One of the operators that combines boolean expressions: and, or, and not.

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Nested Conditional.

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A conditional statement that appears in one of the branches of another conditional statement.

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Traceback.

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A list of the functions that are executing, printed when an exception occurs.

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Short Circuit.

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When Python is part-way through evaluating a logical expression and stops the evaluation because Python knows the final value for the expression without needing to evaluate the rest of the expression.

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