SB Glossary

Section 5.13 Glossary

Glossary Glossary

block.: A group of consecutive statements with the same indentation.
body.: 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.
branch.: 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 <=.
condition.: 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.
nesting.: One program structure within another, such as a conditional statement inside a branch of another conditional statement.
Pseudocode.: A mix of English and code (in our case, Python) that programmers use to plan out their programs.

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