Question 1

Which of the following is not true about the scope and lifetime of variables in Python:

Accepted Answer

A)   local variables have local scope
B)   global variables have global scope
C)   local variables have a longer lifetime than global variables
D)   the same identifier name can be used for different local variables of other functions
E)   The use of global variables is not good programming practiceF) A) and B)
G) B) and C)

Question 2

Which of the following is not a valid use of function avg?

Accepted Answer

A)   average = avg(num1, num2, num3) 
B)   result = factor * avg(num1, num2, num3) 
C)   avg(num1, num2, num3)  = (num1 + num2 + num3)  / 3
D)   print('The average of num1, num2 and num3 is', avg(num1, num2, num3) ) 
E)   if avg(num1, num2, num3)  > 100:Print('Average above 100 found') F) B) and C)
G) B) and D)

Question 3

Examine the following Python code:

Which line/lines of code make up the suite (body)  of the function?

Accepted Answer

A)   Line 1
B)   Line 2
C)   Line 3
D)   Lines 1 and 2
E)   Lines 2 and 3F) B) and E)
G) C) and D)

Question 4

Non-value-returning functions are called for their side effect.

Accepted Answer

A) True 
 B)False

Question 5

Functions can be designed are useful in more than one program.

Accepted Answer

A) True 
 B)False

Question 6

Function calls may not be used within a print instruction in Python.

Accepted Answer

A) True 
 B)False

Question 7

Examine the following code:

What will the output of this code be?

Accepted Answer

The answer of Examine the following code:

What will the output...

Question 8

The period of time for which a variable exists is called its ___________.

Accepted Answer

The answer of The period of time for which a...

Question 9

The correspondence of actual and formal parameters is determined by the names of the actual arguments passed.

Accepted Answer

A) True 
 B)False

Question 10

Calls to value-returning functions in Python are expressions.

Accepted Answer

A) True 
 B)False

Question 11

Match the following:
-A named group of instructions performing some task

Accepted Answer

A)   routine
B)   function
C)   formal parameter
D)   actual argument
E)   function invocationF) A) and C)
G) D) and E)

Question 12

The function header of a function definition indicates how the function is to be called.

Accepted Answer

A) True 
 B)False

Question 13

Match the following:
-contains the function name and parameter list

Accepted Answer

A)   function header
B)   function body (suite) 
C)   value-returning function
D)   non-value-returning function
E)   return statementF) B) and C)
G) B) and E)

Question 14

Variables defined outside of any function have ___________ scope.

Accepted Answer

The answer of Variables defined outside of any function have...

Question 15

Value-returning functions can return more than one value by returning a single tuple containing multiple values.

Accepted Answer

A) True 
 B)False

Question 16

________________ arguments correspond with the associated parameters in a function call by their position in the arguments passed.

Accepted Answer

The answer of ________________ arguments correspond with the associated parameters...

Question 17

There is a fundamental difference in the way value-returning and non-value-returning functions are called.

Accepted Answer

A) True 
 B)False

Question 18

It is generally considered good practice to use global variables whenever possible.

Accepted Answer

A) True 
 B)False

Question 19

Any function in Python that does not contain a return statement returns special value None.

Accepted Answer

A) True 
 B)False

Question 20

Examine the following Python code:

What will Line 9 print out?

Accepted Answer

A)   0
B)   80
C)   85
D)   5
E)   40F) All of the above
G) A) and E)

Exam 5: Functions

The function header of a function definition indicates how the function is to be called.

Correct AnswerverifiedShow Answer

Variables defined outside of any function have ___________ scope.

Correct AnswerverifiedShow Answer

Which of the following is not a valid use of function avg?

Correct AnswerverifiedShow Answer

The period of time for which a variable exists is called its ___________.

Correct AnswerverifiedShow Answer

Examine the following Python code: What will Line 9 print out?

Correct AnswerverifiedShow Answer

Which of the following is not true about the scope and lifetime of variables in Python:

Correct AnswerverifiedShow Answer

It is generally considered good practice to use global variables whenever possible.

Correct AnswerverifiedShow Answer

Examine the following Python code: Which line/lines of code make up the suite (body) of the function?

Correct AnswerverifiedShow Answer

________________ arguments correspond with the associated parameters in a function call by their position in the arguments passed.

Correct AnswerverifiedShow Answer

Value-returning functions can return more than one value by returning a single tuple containing multiple values.

Correct AnswerverifiedShow Answer

Any function in Python that does not contain a return statement returns special value None.

Correct AnswerverifiedShow Answer

Match the following: -A named group of instructions performing some task

Correct AnswerverifiedShow Answer

There is a fundamental difference in the way value-returning and non-value-returning functions are called.

Correct AnswerverifiedShow Answer

Functions can be designed are useful in more than one program.

Correct AnswerverifiedShow Answer

Function calls may not be used within a print instruction in Python.

Correct AnswerverifiedShow Answer

The correspondence of actual and formal parameters is determined by the names of the actual arguments passed.

Correct AnswerverifiedShow Answer

Non-value-returning functions are called for their side effect.

Correct AnswerverifiedShow Answer

Calls to value-returning functions in Python are expressions.

Correct AnswerverifiedShow Answer

Match the following: -contains the function name and parameter list

Correct AnswerverifiedShow Answer

Examine the following code: What will the output of this code be?

Correct AnswerverifiedShow Answer

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