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Python Basics
1/25
Which keyword is used to define a function in Python?
def
function
define
func
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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
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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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 ordered and unchangeable?
Tuple
List
Set
Dictionary
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6/25
How is a generator function different from a normal function?
It uses the 'yield' statement
It can only be used once
It returns multiple values at once
It runs faster than a normal function
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7/25
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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8/25
What does the 'self' keyword represent in a Python class?
An instance of the class
The class itself
A static method within the class
A global variable within the class
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9/25
Which method is called when an object is created from a class in Python?
__init__
__new__
__create__
__start__
Next >
10/25
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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11/25
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
Next >
12/25
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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13/25
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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14/25
What is the difference between '=='' and 'is' in Python?
'==' compares the values of two objects, while 'is' compares their identities
There is no difference, they can be used interchangeably
'is' is used for numeric comparisons, while '==' is used for string comparisons
'is' is a method, while '==' is an operator
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15/25
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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16/25
What is 'scikit-learn' primarily used for in Python?
Machine learning
System scripting
Web development
Data visualization
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17/25
In Python, what is 'Duck Typing'?
A programming style which does not require knowing an object's type to invoke an existing method on it
A data typing method specific to lists and dictionaries
A debugging technique
A way to type Python code faster
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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 '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
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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21/25
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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22/25
What is 'Pythonic' code?
Code that follows Python's idiomatic principles of readability and simplicity
Any code written in the Python language
Code that uses advanced Python features and libraries
Code that is compatible with all versions of Python
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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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