Exam 2

Question 1

‘{0}’.format(one)

{1:^10s}.format(“name”)

Answer 1

Format method

Question 2

ASCII of A

Answer 2

65

Question 3

ASCII of a

Answer 3

97

Question 4

Chr()

Answer 4

Chr(65)=A

Question 5

ord()

Answer 5

ord(A)= 65

Question 6

While (num > 10:)

Answer 6

Boolean expression

Question 7

(Num = 12)

While num > 10:

Answer 7

Initialized look variable

Question 8

Num = 12
While num > 10:
(print (num))
(Num+=1)

Answer 8

While body

Question 9

Num = 12
(While num > 10:)
print (num)
Num+=1

Answer 9

While header

Question 10

Function used to check whether object or variable is specified class type or data type

Answer 10

Isinstance

Ex. isinstance(marks, int)

Question 11

This example is where the else can be omitted. When false it continues with the line after

Answer 11

If statement

Question 12

Nested. Also know as branching structures. Indented blocks for true false

Answer 12

If-else statement

Question 13

Short for else and if to avoid excessive indention.

Answer 13

Elif clause

Question 14

One execution of the loop body

Answer 14

Iteration

Question 15

Error message for input that is invalid. Reloops

Answer 15

Input validation.

Question 16

Variable that returned to the header of the loop. Current iteration of the loop terminates.

Answer 16

Continue condition

Question 17

How to pass through the loop

Answer 17

Break statement

Question 18

0 evaluates to

Answer 18

False

Question 19

1 evaluates to

Answer 19

True

Question 20

Method used to count how many times the sub string is repeated in a specified string.

Answer 20

Counter variable

Question 21

Variables store a value that is updated repeatedly by some calculation. Can be adding, subtracting, multiplying, dividing, concatenation, etc.

Answer 21

Accumulator variable

Question 22

Special value that marks the end of a sequence of items. Terminates the loop

Answer 22

Sentinel value

Question 23

Controlled repetition till a goal is reached. Can use a value to terminate or flag

Answer 23

Sentinel-controller repetition

Question 24

Ex. Characters(0,5) generates integers from 0 but not including 5

Answer 24

Range checking

Question 25

Three points for a good loop

Answer 25

Initialization Test for entry/exit Change in loop variable

Question 26

A loop that never becomes false which results in a loop that never ends

Answer 26

Infinite loop