Python Programming

What is thread synchronization in Python? a) Ensuring that threads execute in a specific sequence b) Preventing multiple threads from accessing shared resources simultaneously c) Allowing threads to communicate with each other d) Running threads in parallel without any synchronization Answer: b) Preventing multiple threads from accessing shared resources simultaneously Explanation: Thread synchronization in Python […]

What is thread priority in Python threading? a) The order in which threads are scheduled for execution b) The importance assigned to a thread’s execution over others c) The order in which threads are created d) The order in which threads are terminated Answer: b) The importance assigned to a thread’s execution over others Explanation:

How can you assign a name to a thread in Python? a) By using the name attribute of the Thread class b) By using the set_name() method c) By passing the name parameter to the Thread constructor d) Both a and c Answer: d) Both a and c Explanation: You can assign a name to

What does the join() method do in Python threading? a) It waits for the thread to complete before continuing the program b) It starts the execution of a thread c) It pauses the execution of a thread d) It creates a new thread Answer: a) It waits for the thread to complete before continuing the

What is the purpose of the start() method in threading? a) To begin the execution of a thread b) To create a new thread c) To pause the execution of a thread d) To terminate a running thread Answer: a) To begin the execution of a thread Explanation: The start() method in Python’s threading module

How do you create a thread in Python? a) By creating an instance of the Thread class from the threading module b) By using the multiprocessing module c) By calling the run() method directly d) By using the os.fork() method Answer: a) By creating an instance of the Thread class from the threading module Explanation:

What are the phases of a thread’s life cycle in Python? a) New, Runnable, Running, Blocked, Terminated b) Created, Waiting, Executing, Sleeping, Finished c) Initialized, Started, Paused, Resumed, Stopped d) Ready, Running, Sleeping, Dead, Alive Answer: a) New, Runnable, Running, Blocked, Terminated Explanation: A thread in Python goes through several phases during its life cycle:

What is multithreading in Python? a) Running multiple threads concurrently to perform tasks simultaneously b) Running multiple processes concurrently c) Executing a single thread multiple times d) Running multiple functions sequentially Answer: a) Running multiple threads concurrently to perform tasks simultaneously Explanation: Multithreading in Python refers to the ability to run multiple threads concurrently within

How can you open a file in binary mode in Python? a) By using the ‘rb’ mode for reading and ‘wb’ mode for writing b) By using the ‘r’ mode for reading and ‘w’ mode for writing c) By using the ‘ab’ mode for appending d) By using the ‘rb+’ mode for reading and writing

What does the os.path.exists() function do in Python? a) Checks if a path exists on the filesystem b) Checks if a path is a directory c) Checks if a path is a file d) Deletes a file or directory Answer: a) Checks if a path exists on the filesystem Explanation: The os.path.exists() function in Python

How do you check if a path is a directory in Python? a) By using the os.path.isdir() function b) By using the os.path.isfile() function c) By using the os.listdir() function d) By using the os.path.exists() function Answer: a) By using the os.path.isdir() function Explanation: The os.path.isdir() function in Python is used to check if a

What does the os.rmdir() function do in Python? a) Deletes an empty directory from the filesystem b) Deletes a file from the filesystem c) Renames a directory d) Copies a directory to a new location Answer: a) Deletes an empty directory from the filesystem Explanation: The os.rmdir() function in Python is used to delete an

How do you create a new directory in Python? a) By using the os.mkdir() function b) By using the os.makedirs() function c) By using the shutil.mkdir() function d) By using the os.create_dir() function Answer: a) By using the os.mkdir() function Explanation: To create a new directory in Python, you can use the os.mkdir() function. This

What function is used to list files in a directory in Python? a) os.listdir() b) os.walk() c) shutil.listdir() d) os.scandir() Answer: a) os.listdir() Explanation: The os.listdir() function in Python is used to list all files and directories in a specified directory. If no directory is specified, it returns the list of files and directories in

How can you copy a file in Python? a) By using the shutil.copy() function b) By using the os.copy() function c) By using the file.copy() method d) By using the os.rename() function Answer: a) By using the shutil.copy() function Explanation: To copy a file in Python, you can use the shutil.copy() function from the shutil

How do you append data to an existing file in Python? a) By opening the file in append mode using the ‘a’ mode and writing data to it b) By opening the file in write mode using the ‘w’ mode and writing data to it c) By opening the file in read mode using the

What does the os.remove() function do in Python? a) Deletes a file from the filesystem b) Deletes a directory from the filesystem c) Renames a file or directory d) Copies a file to a new location Answer: a) Deletes a file from the filesystem Explanation: The os.remove() function in Python is used to delete a

How can you rename a file in Python? a) By using the os.rename() function b) By using the shutil.move() function c) By using the file.rename() method d) By using the os.chdir() function Answer: a) By using the os.rename() function Explanation: To rename a file in Python, you use the os.rename() function, which is part of

What is the function of the read() method in Python file handling? a) It reads the entire content of a file b) It writes data to a file c) It renames a file d) It appends data to a file Answer: a) It reads the entire content of a file Explanation: The read() method in

How do you write data to a file in Python? a) By opening the file in write mode and using the write() method b) By opening the file in read mode and using the write() method c) By opening the file in append mode and using the read() method d) By opening the file in

What is the purpose of file handling in Python? a) To perform operations like reading, writing, and managing files on the filesystem b) To format strings and numbers c) To manage memory usage in the program d) To handle exceptions in the code Answer: a) To perform operations like reading, writing, and managing files on

When should you use custom exceptions in Python? a) When you need to handle specific error conditions unique to your application b) When you want to ignore errors and continue execution c) When you want to raise multiple exceptions at once d) When you want to automatically fix errors without user intervention Answer: a) When

How do you create custom exceptions in Python? a) By creating a new class that inherits from the Exception class b) By using the try-except block c) By overriding the raise statement d) By creating a new function that handles errors Answer: a) By creating a new class that inherits from the Exception class Explanation:

What is the purpose of raising exceptions in Python? a) To explicitly trigger an exception when a certain condition occurs b) To ignore an error and continue execution c) To catch and handle exceptions d) To clean up resources after an error Answer: a) To explicitly trigger an exception when a certain condition occurs Explanation:

How does the finally block work in Python exception handling? a) Executes code regardless of whether an exception occurs b) Executes only if an exception occurs c) Executes only if no exceptions occur d) Used to raise an exception manually Answer: a) Executes code regardless of whether an exception occurs Explanation: The finally block in