Python interview questions part 17
Python interview questions part 17
Take as many assements as you can to improve your validate your skill rating
Total Questions: 20
1. What is unpickling?
Correct Answer is : It is used for object deserialization
2. What is the correct syntax of open() function?
Correct Answer is : file object = open(file_name [, access_mode][, buffering])
3. What is the output of this program? fo = open("foo.txt", "wb")print "Name of the file: ", fo.namefo.flush()fo.close()
Correct Answer is : Flushes the file when closing them
4. Correct syntax of file.writelines() is?
Correct Answer is : fileObject.writelines(sequence)
5. Correct syntax of file.readlines() is?
Correct Answer is : fileObject.readlines( sizehint );
6. In file handling, what does this terms means “r, a”?
Correct Answer is : read, append
7. What is the use of “w” in file handling?
Correct Answer is : Write
8. What is the use of “a” in file handling?
Correct Answer is : Append
9. Which function is used to read all the characters?
Correct Answer is : Read()
10. Which function is used to read single line from file?
Correct Answer is : Readlines()
11. Which function is used to write all the characters?
Correct Answer is : write()
12. Which function is used to write a list of string in a file
Correct Answer is : writeline()
13. Which function is used to close a file in python?
Correct Answer is : Close()
14. Is it possible to create a text file in python?
Correct Answer is : Yes
15. Which of the following is modes of both writing and reading in binary format in file.?
Correct Answer is : wb+
16. Which of the following is not a valid mode to open a file?
Correct Answer is : rw
17. What is the difference between r+ and w+ modes?
Correct Answer is : in r+ the pointer is initially placed at the beginning of the file and the pointer is at the end for w+
18. How do you get the name of a file from a file object (fp)?
Correct Answer is : fp.name
19. Which of the following is not a valid attribute of a file object (fp)?
Correct Answer is : fp.size
20. How do you close a file object (fp)?
Correct Answer is : fp.close()
