CSE_CodeHS_intro_python_unit_3_5

Question: 1

What is the final result of the expression 4 + 5 * 3?

• 27

• 12

• 21

• 19

Choose the print statement below that will cause an error.
Assume that num has the value 6, and name has the value Isabella.

• 1. print(name + ":" )
     print(num)

• 1. print(name + " wants " + "num " + "candies")

• 1. print(name + ": " + str(num))

• 1. print(name + ": " + num)

Which one of the statements below will cause an error?

• 1. ans = “hi” * 8

• 1. ans = “hi” + 9

• 1. ans = “hi” + “hi” + “hi”

• 1. ans = (“a” * 4) + “b”

What does the following program print?

a = "hi"
b = 4
c = a * b
print(type(c))

• 1. <class 'str'>

• 1. <class 'int'>

• 1. <class 'float'>

• 1. The program crashes and doesn’t print anything.

Suppose you have a variable defined a = "4". What is the variable type of a?

• 1. str

• 1. int

• 2. float

• 1. number

1. What does the following code print?

   x = 3.4
   y = 1
   print(int(x))
   print(x + y)

• 1. 3.4
     4.4

• 1. 3
     4.4

• 1. 3
     4

• 1. The code causes an error

Which of the following statements is true about print statements?

I. In order to print a string literal, the string must be enclosed in quotes.
II. Each print statement will be printed on its own line.
III. Print statements will not let you print string and number characters in the same statement.
IV. Print statements are how you display text on the screen.

• 1. I, IV

• 1. II, III

• 1. I, II, IV

• 1. I, III, IV

2. How would you round the number held in the variable pi to 3.14?

   pi = 3.14159265

• 1. round(pi)

• 1. round(pi, 3)

• 1. round(3, pi)

• 1. round(pi, 2)

• 5

• True

• Nothing will print

• 0

• Must be yellow

• Must be blue
  I like purple
  Blue is the best

• Must be blue

• Blue is the best