Mock exam

chevron_right Aryan Swami-Persaud 4490193
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Multiple Choice

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1.0p 2a

Which of the following are considered immutable in Python? (multiple answers possible)

Strings
Dictionaries
Lists
Tuples
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1.0p 2b

What is a valid condition for an if statement? (multiple answers possible)

x -> 5
x = 5
x > 5
x is 5
Python
def some_function(num):
# num is a number (either a float or int)
if num < 0:
return -num
return num
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1.0p 2c
What is the purpose of the function above?
Calculates the square of the number.
Returns the absolute value of a number.
Converts the number to a string.
Checks if the number is positive.
Returns a negative number
Returns a random positive number
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1.0p 2d

Which of the following are examples of magic methods in Python?

__call__

__start__

__repr__

__add__

__len__

__delete__

__init__

__str__

HTML
var grade1 is number
var grade2 is number
var grade3 is number
grade1 -> 6
grade2 -> 8
grade3 -> 7
# MISSING CODE
print(grade1, grade2, grade3)
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1.0p 2e
The Start code above should print: 
1 1 1

A section of the code is missing. In what order should the following code blocks be arranged to complete it?
Code Block 1:
grade1 := 1
Code Block 2:
grade2 -> grade1grade3 -> grade1
Block 1 and then Block 2
Block 2 and then Block 1
The order does not matter
None of the orders result in the correct answer