A(n) __________ is a special value used to indicate the end of a sequence of val

Question

A(n) __________ is a special value used to indicate the end of a sequence of values.

accumulator

parameter

sentinel

target variable

What is the result of the logical expression?

True and False

True

False

If weight = 10, height = 3, and velocity = 5 what does the following evaluate to?

weight < 15 and height > 4 and velocity >=5

True

False

4.Program statements that might generate an exception are put in a(n) __________ block.

try

except

if

else

accumulator

parameter

sentinel

target variable

Explanation / Answer

A(n) __sentinel__ is a special value used to indicate the end of a sequence of values.

If weight = 10, height = 3, and velocity = 5 what does the following evaluate to?

weight < 15 and height > 4 and velocity >=5.

Weight < 15 is true. Height > 4 is false. Therefore the whole expression evaluates to False.

Program statements that might generate an exception are put in a __try__ block.

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