Chapter 2 and 3

Question 1

What function do you use to read a string?

Answer 1

input(“Enter a string”)

Question 2

Result of eval(“1 + 3 * 2”)

Answer 2

7

Question 3

____ is the code in natural language mixed with some program code.

Answer 3

Pseudocode

Question 4

An identifier cannot be a keyword.

Answer 4

True

Question 5

What is an identifier?

Answer 5

Identifier are names that identify elements such as variable and functions in a program (number1, number2, number3, average, input, eval)

Question 6

An identifier can contain digits, but cannot start with a digit.

Answer 6

True

Question 7

Which of the following is a valid identifier?

Answer 7

mile1 (Is not import because it is a keyword, which are reserved words)

Question 8

If you enter 1 2 3 in separate lines, when you run this program, what will be displayed?
average = (number1 + number2 + number3) / 3

Answer 8

2.0 (Because / is floating point, // is integer)

Question 9

What is the result of 45 / 4?

Answer 9

11.25

Question 10

Value 1 means remainder of 1 when using %

Answer 10

Value 1 means remainder of 1 when using %

Question 11

2 ** 3 evaluates to ___.

Answer 11

8 (An integer, not float point)

Question 12

When x *= y + 1, formula is?

Answer 12

x = x (y + 1)

Question 13

To add number to sum, you write:

Answer 13

sum += number (?)

Question 14

min(3, 5, 1, 7, 4)

Answer 14

1 min is minimum

Question 15

s is “Welcome.” What is s.upper()?

Answer 15

WELCOME