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Python Basics

1/25 Which Python function is used to get the length of a list?
- len()
- count()
- size()
- length()
2/25 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
3/25 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
4/25 What is the result of '5 / 2' in Python?
- 2.5
- 2
- 2.0
- Error
5/25 What is the purpose of the 'continue' statement in Python?
- To skip the current iteration of a loop and continue to the next
- To define a function
- To create a conditional statement
- To print text to the console
6/25 Which Python data type is mutable?
- List
- Tuple
- Set
- String
7/25 What is the result of '5 % 2' in Python?
- 1
- 2
- 0
- Error
8/25 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
9/25 Which method is called when an object is created from a class in Python?
- __init__
- __new__
- __create__
- __start__
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
11/25 What is a 'dictionary comprehension' in Python?
- A concise way to create dictionaries
- A method to iterate over a dictionary
- A function to sort dictionaries
- A technique to merge two dictionaries
12/25 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
13/25 In Python, what does the 'else' clause in a 'try' statement do?
- Executes if the try block does not raise an exception
- Always executes after the try block
- Executes if any exception is raised
- Is an alternative to the finally block
14/25 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
15/25 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
16/25 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
17/25 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
18/25 What is the 'heapq' module used for in Python?
- For implementing a priority queue algorithm
- For memory management and heap analysis
- For creating hash maps
- For queuing network requests
19/25 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
20/25 What is the primary use of 'numpy' in Python?
- Numerical and scientific computing
- Data storage and retrieval
- Web scraping
- Machine learning
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
22/25 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
23/25 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
24/25 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
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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