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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
2/25 Which keyword is used to define a function in Python?
- def
- function
- define
- func
3/25 Which data type is used to store a sequence of characters in Python?
- String
- Integer
- Boolean
- List
4/25 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 <>
5/25 Which Python data type is used to store a collection of items, where each item is unique?
- Set
- List
- Tuple
- Dictionary
6/25 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
7/25 What is the purpose of the 'try' and 'except' blocks in Python?
- To handle exceptions or errors in code
- To create a loop
- To define a function
- To print text to the console
8/25 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
9/25 In Python, what is the purpose of the 'break' statement?
- To exit a loop prematurely
- To define a function
- To create a conditional statement
- To print text to the console
10/25 Which of the following is not a valid variable name in Python?
- 2variable
- my_variable
- _variable
- variable_2
11/25 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
12/25 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
13/25 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
14/25 What is 'pickle' in Python used for?
- Serializing and deserializing Python object structures
- Data compression
- Web scraping
- File encryption
15/25 What is the difference between 'deepcopy' and 'copy' in Python?
- Deepcopy creates a new object and recursively copies all objects it references, whereas copy creates a shallow copy
- There is no difference; they are the same
- Copy creates a new object and deepcopy does not
- Deepcopy is used for lists, and copy is used for dictionaries
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 '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
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 'flask' commonly used for in Python?
- Creating web applications
- Data analysis and manipulation
- Creating desktop applications
- Automated testing of applications
20/25 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
21/25 What is 'scikit-learn' primarily used for in Python?
- Machine learning
- System scripting
- Web development
- Data visualization
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 How do you make an HTTP request in Python?
- Using libraries such as 'requests' or 'urllib'
- With the 'http' built-in module
- By utilizing sockets directly
- Python cannot make HTTP requests natively
24/25 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
25/25 How do you manage and resolve merge conflicts in Git?
- By manually editing the conflicted files, then staging and committing the resolved files
- Merge conflicts are automatically resolved by Git
- Using a special Git command that automatically resolves conflicts
- Re-cloning the repository and manually adding changes
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