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Python Basics
1/25
Which keyword is used to define a function in Python?
def
function
define
func
Next >
2/25
What is the correct way to comment a single-line in Python?
# This is a comment
// This is a comment
/* This is a comment */
<!-- This is a comment -->
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3/25
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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4/25
What is the purpose of the 'elif' keyword in Python?
To define an alternative condition in an 'if' statement
To create a loop
To define a function
To print text to the console
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5/25
Which Python data type is mutable?
List
Tuple
Set
String
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6/25
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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7/25
What does the 'is' operator do in Python?
Checks if two variables refer to the same object in memory
Compares the values of two variables
Determines if a variable is of a certain type
Checks if a variable exists
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8/25
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
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9/25
What is 'Polymorphism' in the context of object-oriented programming in Python?
The ability to present the same interface for differing underlying data types
The ability of a class to derive properties and characteristics from another class
The process of encapsulating data and methods within a single unit
The practice of designing objects with a predefined interface
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10/25
What is the use of the __name__ variable in Python?
To check if a module is being run as the main program
To store the name of the current class
To define a special method in a class
To hold the name of the script file
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11/25
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
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12/25
How can you reverse a list in Python?
Using the reverse() method or the [::-1] slice
By iterating over the list backwards
Using the reversed() built-in function
By sorting the list in descending order
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13/25
What is the purpose of the 'collections' module in Python?
To provide alternative container data types like namedtuples, deque, Counter, etc.
To collect garbage data and free memory
To gather system information
To compile and organize code collections
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14/25
What is 'contextlib' used for in Python?
For creating and working with context managers
For handling contextual data in web applications
For managing database contexts
For threading and concurrency management
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15/25
What is the primary use of 'functools.partial' in Python?
To create a new function with partial application of the arguments and keywords of another function
To divide a function into multiple smaller functions
For partial iteration of a collection
To partially update a dictionary
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16/25
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
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17/25
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
Next >
18/25
What is the primary use of 'numpy' in Python?
Numerical and scientific computing
Data storage and retrieval
Web scraping
Machine learning
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19/25
What is 'scikit-learn' primarily used for in Python?
Machine learning
System scripting
Web development
Data visualization
Next >
20/25
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
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21/25
What is the 'GIL' in Python?
Global Interpreter Lock, a mechanism that prevents multiple native threads from executing Python bytecodes at once
General Instruction List, a list of all Python commands and their uses
Graphical Interface Layer, used for creating GUI applications in Python
Guided Iteration Loop, a loop structure in Python
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22/25
In Python, what are 'magic methods'?
Special methods beginning and ending with double underscores, used to implement behavior for built-in operations
Methods that are automatically invoked by garbage collection
Deprecated methods from older Python versions
Methods that can be called without an object reference
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23/25
What is 'List Comprehension' and how does it differ from a traditional 'for' loop in Python?
A concise way to create lists; it's more compact and faster than a traditional 'for' loop
A method to append items to a list; it's similar to 'for' loops but only for lists
A special loop for lists; it is identical in speed but has a different syntax than a 'for' loop
A tool for sorting lists; it's an alternative to 'for' loops with a focus on sorting
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24/25
In Python, what is a 'Generator' and how is it different from a normal function?
A function that yields values one at a time, resuming where it left off when called again
A special function for creating iterable objects; unlike normal functions, it cannot return values
A quicker version of a function; it generates results faster but can only be used once
A function that generates random numbers; unlike normal functions, it does not take any arguments
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25/25
In Python, what is 'Exception Handling' and why is it used?
A way of responding to and recovering from errors in a program, improving robustness and stability
A technique to enhance the speed of a Python program by handling runtime exceptions
A method of ignoring errors in a program
Exception handling is not a part of Python programming
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