Day3 - Python STT

Which is the correct operator for power(x^y)?

• X^y

• X**y

• X^^y

• None of the mentioned

Which one of these is floor division?

• /

• //

• %

• None of the mentioned

Suppose d = {“john”:40, “peter”:45}, what happens when we try to retrieve a value using the expression d[“susan”]?

• Since “susan” is not a value in the set, Python raises a KeyError exception

• It is executed fine and no exception is raised, and it returns None

• Since “susan” is not a key in the set, Python raises a KeyError exception

• Since “susan” is not a key in the set, Python raises a syntax error

Which of the following statements create a dictionary?

• d = {}

• d = {“john”:40, “peter”:45}

• d = {40:”john”, 45:”peter”}

• All of the mentioned

The output of the code above is

• Key Error

• 4

• Math

Assume the key is the student's id and the value is the grade. Which of the following code will get the grade of student id 102?

• grades[102]

• grades.get(102)

• grades[2]

• grades[3]

• grades.key(102)

What is the output of the code above

• 3.9

• 4

• Syntax error

x = 5

print(x > 3 and x < 10)

• True

• False

x = 5

print(not(x > 3 and x < 10))

• True

• False

What is the answer of this expression, 22 % 3 is?

• 7

• 1

• 0

• 5