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Exam 3: Decision Structures and Boolean Logic

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Question 21

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Which of the following is the correct if clause to determine whether y is in the range 10 through 50?

A) if 10 < y or y > 50
B) if 10 > y and y < 50
C) if y > 10 and y < 50
D) if y > 10 or y < 50

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Question 22

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Python allows you to compare strings, but it is not case sensitive.

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Question 23

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Nested decision structures are one way to test more than one condition.

What does the following expression mean? X <= y

In Python, the _____ symbol is used as the not-equal-to operator.

Which of the following is the correct if clause to use to determine whether choice is other than 10?

Python uses the same symbols for the assignment operator and the equality operator.

Short-circuit evaluation is performed with the not operator.

When using the _____ operator, both subexpressions must be true for the compound expression to be true.

Multiple Boolean expressions can be combined by using a logical operator to create _____ expressions.

A(n) _____ structure is a logical design that controls the order in which a set of statements execute.

A Boolean variable can reference one of two values: _____.

An action in a single alternative decision structure is performed only when the condition is true.

The logical _______________ operator reverses the truth of a Boolean expression.

A(n) _______________ statement will execute one block of statements if its condition is true, or another block if its condition is false.