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Python Programming - Standard Libraries

Exercise : Standard Libraries - General Questions
  • Standard Libraries - General Questions
16.
What is the purpose of the heapq module?
Sorting elements in a list
Implementing priority queues
Working with regular expressions
Handling dates and times
Answer: Option
Explanation:
The heapq module in Python provides functions for implementing heap queues, which are often used to implement priority queues.
17.
Which module in Python is used for working with network-related tasks, such as creating and handling sockets?
network
socketlib
net
socket
Answer: Option
Explanation:
The socket module in Python is used for working with sockets, allowing you to create and handle network connections.
18.
What does the itertools.cycle() function do?
Creates an infinite iterator from a finite iterable
Generates all possible permutations of an iterable
Repeats an iterable indefinitely
Filters elements based on a predicate function
Answer: Option
Explanation:
The itertools.cycle() function in Python repeats an iterable indefinitely, cycling through its elements.
19.
Which method is used to add an element to the end of a list?
list.append()
list.insert()
list.extend()
list.add()
Answer: Option
Explanation:
The append() method is used to add an element to the end of a list in Python.
20.
What is the purpose of the subprocess module?
Working with regular expressions
Handling dates and times
Interacting with shell commands and external processes
Sorting elements in a list
Answer: Option
Explanation:
The subprocess module in Python is used for interacting with shell commands and external processes, providing a way to spawn new processes and connect to their input/output/error pipes.
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