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Python Basics
1/25
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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2/25
Which data type is used to store a sequence of characters in Python?
String
Integer
Boolean
List
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3/25
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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4/25
Which Python data type is ordered and unchangeable?
Tuple
List
Set
Dictionary
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5/25
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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6/25
How do you create a shallow copy of a list in Python?
Using the list.copy() method
Using the list.deepcopy() method
By directly assigning one list to another
Using the copy module
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7/25
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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8/25
In Python, what does the 'global' keyword do?
Declares that a variable inside a function is global
Imports a global variable from another module
Creates a new global variable
Converts a local variable into a global variable
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9/25
What is 'map' function used for in Python?
To apply a function to all items in an iterable
To filter items from a list
To merge two lists
To create a dictionary
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10/25
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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11/25
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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12/25
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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13/25
How do you create a virtual environment in Python?
Using the 'venv' module
With the 'virtual' module
By installing the 'virtualenv' package
Using the 'pyenv' tool
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14/25
In Python, what is the purpose of the 'asyncio' library?
To write concurrent code using the async/await syntax
To handle asynchronous file I/O operations
To perform background processing
To manage asynchronous network connections
Next >
15/25
What is the 'pandas' library primarily used for in Python?
Data analysis and manipulation
Parallel programming
Web development
Creating GUI applications
Next >
16/25
In Python, what is 'matplotlib' commonly used for?
Data visualization
Machine learning models
Web scraping
Database management
Next >
17/25
How do you create a decorator in Python?
By defining a function that takes another function as an argument
Using the @decorator syntax above a function
By importing the 'decorator' module
Decorators are not supported in Python
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18/25
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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19/25
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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20/25
What is 'Monkey Patching' in Python?
Dynamically modifying or extending a module or class at runtime
Fixing a bug in a quick or crude way
A technique for optimizing Python code
Testing Python applications
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21/25
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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22/25
What is the purpose of 'venv' in Python?
To create isolated Python environments for different projects
To verify and validate Python code
To create virtual networks
To visualize Python code execution
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23/25
What is the purpose of the '__main__' in Python?
To check if a Python script is run as the main program or imported as a module
To declare the primary function in a Python script
To initialize the main class of a program
To start a Python interpreter session
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24/25
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
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25/25
What are 'decorators' in Python?
Functions that modify the behavior of other functions or methods
Special symbols that change the way a function or method's output looks
Tools for adding new methods to existing classes
Syntax for creating comments in Python code
Next >
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