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Python Basics
1/25
Which data type is used to store a sequence of characters in Python?
String
Integer
Boolean
List
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2/25
In Python, what is the purpose of the 'if' statement?
To execute code conditionally
To define a function
To create a loop
To print text to the console
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3/25
How do you define a tuple in Python?
By enclosing items in parentheses ()
By using square brackets []
By using curly braces {}
By using angle brackets <>
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4/25
What is the correct way to open a file in Python?
Using the 'open()' function
Using the 'read()' function
Using the 'write()' function
Using the 'create()' function
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5/25
Which Python data type is used to store a collection of items, where each item is unique?
Set
List
Tuple
Dictionary
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6/25
In Python, what is the 'None' keyword used for?
To represent the absence of a value or a null value
To define a boolean variable
To create a loop
To print text to the console
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7/25
What is the purpose of the 'for' loop in Python?
To iterate over a sequence of items
To define a function
To create a conditional statement
To print text to the console
Next >
8/25
What is the purpose of the 'try' and 'except' blocks in Python?
To handle exceptions or errors in code
To create a loop
To define a function
To print text to the console
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9/25
What is the output of 'list(range(5))' in Python?
[0, 1, 2, 3, 4]
[1, 2, 3, 4, 5]
[5, 4, 3, 2, 1, 0]
Error
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10/25
What is the result of '5 % 2' in Python?
1
2
0
Error
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11/25
What does a list comprehension do in Python?
Creates a new list based on another list
Sorts the elements of a list
Merges two lists into one
Duplicates each element in a list
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12/25
What is the output of the expression '5 ** 2' in Python?
25
10
52
7
Next >
13/25
In Python, what will 'str(123)' do?
Converts the number 123 into a string '123'
Generates an error
Converts a string '123' into the number 123
Does nothing, as '123' is already a string
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14/25
What is the purpose of the 'with' statement in Python when working with files?
To ensure that resources are properly managed and the file is automatically closed
To write data to a file
To read data from a file
To delete a file
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15/25
What is the output of 'set([1, 2, 3]) & set([2, 3, 4])' in Python?
set([2, 3])
set([1, 2, 3, 4])
set([1, 4])
Error
Next >
16/25
What is the purpose of the '__iter__' method in Python?
To return an iterator for a container object
To initialize a new object instance
To perform an iteration in a for loop
To add two objects together
Next >
17/25
How do you create a static method in a Python class?
Using the @staticmethod decorator
Using the static keyword
By declaring a method outside of a class
Static methods cannot be created in Python
Next >
18/25
What does 'os.path.join' do in Python?
Joins one or more path components intelligently
Concatenates strings to form a path
Joins multiple file paths into a single file
Links a file path to a network path
Next >
19/25
In Python, what is 'multiprocessing' used for?
To create processes that run concurrently
To manage multiple data processing streams
To process large datasets in parallel
To enhance the speed of single-threaded processes
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20/25
What is the difference between the 'array' and 'list' data types in Python?
Arrays can only contain elements of the same data type, while lists can contain elements of different data types
There is no difference; they are the same in Python
Lists are mutable, while arrays are immutable
Arrays are used for arithmetic operations, while lists are not
Next >
21/25
How do you declare a variable as 'private' in a Python class?
By prefixing the variable name with a double underscore (__)
By using the 'private' keyword
By declaring it inside a nested class
Python does not support private variables
Next >
22/25
What is 'scikit-learn' primarily used for in Python?
Machine learning
System scripting
Web development
Data visualization
Next >
23/25
What is the role of the 'argparse' module in Python?
To parse command-line arguments and options in Python scripts
To perform arithmetic operations
To parse HTML and XML documents
To handle system arguments
Next >
24/25
What is 'MRO' in Python?
Method Resolution Order, the order in which base classes are searched for a member during lookup
Memory Read-Out, a process related to garbage collection
Module Runtime Options, settings that alter how Python modules run
Multiple Return Optimization, a technique for optimizing functions
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25/25
How does 'Class Inheritance' work in Python?
It allows a class ('subclass') to inherit attributes and methods from another class ('superclass')
It is a method to create new classes based on existing classes without inheritance
It copies data from one class to another
It merges two classes into one
Next >
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