Words to Remember III

Body	The sequence of statements within a compound statement
boolean expression	An expression whose value is either True or False
branch	One of the alternative sequences of statements in a conditional statement.
chained conditional	A conditional statement with a series of alternative branches.
comparison operator	One of the operators that compares its operands: ==, !=, >, <, >=, and <=.
conditional statement	A statement that controls the flow of execution depending on some condition.
condition	The boolean expression in a conditional statement that determines which branch is executed.
compound statement	A statement that consists of a header and a body. The header ends with a colon (:). The body is indented relative to the header.
guardian pattern	Where we construct a logical expression with additional comparisons to take advantage of the short circuit behavior.
logical operator	One of the operators that combines boolean expressions: and, or, and not.
nested conditional	A conditional statement that appears in one of the branches of another conditional statement.
traceback	A list of the functions that are executing, printed when an exception occurs.
short circuit	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