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Section 7.9 Glossary

Glossary Glossary

A group of consecutive statements with the same indentation.
The block of statements in a compound statement that follows the header.
boolean expression.
An expression that is either true or false.
boolean function.
A function that returns a boolean value. The only possible values of the bool type are False and True.
boolean value.
There are exactly two boolean values: True and False. Boolean values result when a boolean expression is evaluated by the Python interepreter. They have type bool.
One of the possible paths of the flow of execution determined by conditional execution.
chained conditional.
A conditional branch with more than two possible flows of execution. In Python chained conditionals are written with if ... elif ... else statements.
comparison operator.
One of the operators that compares two values: ==, !=, >, <, >=, and <=.
The boolean expression in a conditional statement that determines which branch is executed.
conditional statement.
A statement that controls the flow of execution depending on some condition. In Python the keywords if, elif, and else are used for conditional statements.
logical operator.
One of the operators that combines boolean expressions: and, or, and not.
modulus operator.
An operator, denoted with a percent sign ( %), that works on integers and yields the remainder when one number is divided by another.
One program structure within another, such as a conditional statement inside a branch of another conditional statement.
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