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Python Basics
1/25
What does the 'print' function do in Python?
It displays text or variables to the console
It performs mathematical calculations
It defines a new function
It creates a loop
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2/25
How do you create a list in Python?
By enclosing items in square brackets []
By using parentheses ()
By using curly braces {}
By using angle brackets <>
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3/25
What is the result of '3 + 5' in Python?
8
35
53
15
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4/25
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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5/25
How do you access the value associated with the key 'age' in a dictionary named 'person'?
person['age']
person.get('age')
person(age)
person->age
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6/25
What is a decorator in Python?
A function that modifies another function
A tool for looping over sequences
A type of Python class
A syntax for creating lists
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7/25
What does the 'lambda' keyword in Python create?
An anonymous function
A new list
A data type
A loop
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8/25
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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9/25
What does the 'pass' statement do in Python?
It is a null operation - nothing happens when it executes
Passes control to the next loop iteration
Exits the current function
Skips the rest of the code inside a block
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10/25
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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11/25
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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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
In Python, how can you measure the performance of a piece of code?
Using the 'timeit' module
With the 'datetime' module
By implementing a custom timer
Using the 'os' module
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14/25
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
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15/25
What is 'pytest' commonly used for in Python?
Writing and running tests
Debugging code
Performance tuning
Creating Python packages
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16/25
What is the 'pandas' library primarily used for in Python?
Data analysis and manipulation
Parallel programming
Web development
Creating GUI applications
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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 does 'iterable' mean in Python?
An object capable of returning its members one at a time, allowing it to be iterated over in a loop
A variable that can be changed
A list or array
An object that cannot be changed after its creation
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19/25
What is the purpose of 'walrus operator' (:=) introduced in Python 3.8?
To assign values to variables as part of an expression
To compare two values
To create a multi-line statement
To declare a global variable
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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
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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22/25
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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23/25
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
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24/25
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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25/25
What is 'Test-Driven Development' in software engineering?
A development process where tests are written before the code they are testing
A method where developers focus solely on fixing software tests
Developing a software based on the results of user acceptance tests
Writing tests after the software development is complete
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