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Welcome to the Regular Expressions and Files MCQs Page

Dive deep into the fascinating world of Regular Expressions and Files with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Regular Expressions and Files, a crucial aspect of Python. In this section, you will encounter a diverse range of MCQs that cover various aspects of Regular Expressions and Files, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Python.

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Check out the MCQs below to embark on an enriching journey through Regular Expressions and Files. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Python.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Regular Expressions and Files. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Regular Expressions and Files MCQs | Page 5 of 10

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Q41.
What is the output? 
f = None
for i in range (5):
    with open("data.txt", "w") as f:
        if i > 2:
            break
print(f.closed)

a.

True

b.

False

c.

None

d.

Error

Discuss
Answer: (a).True
Q42.
To read the next line of the file from a file object infile, we use

a.

infile.read(2)

b.

infile.read()

c.

infile.readline()

d.

infile.readlines()

Discuss
Answer: (c).infile.readline()
Q43.
To read the remaining lines of the file from a file object infile, we use

a.

infile.read(2)

b.

infile.read()

c.

infile.readline()

d.

infile.readlines()

Discuss
Answer: (d).infile.readlines()
Q44.
The readlines() method returns

a.

str

b.

a list of lines

c.

a list of single characters

d.

a list of integers

Discuss
Answer: (b).a list of lines
Q45.
Which are the two built-in functions to read a line of text from standard input, which by default comes from the keyboard?

a.

Raw_input & Input

b.

Input & Scan

c.

Scan & Scanner

d.

Scanner

Discuss
Answer: (a).Raw_input & Input
Q46.
What is the output of this program? 
str = raw_input("Enter your input: ");
print "Received input is : ", str

a.

Enter your input: Hello Python
Received input is : Hello Python

b.

Enter your input: Hello Python
Received input is : Hello

c.

Enter your input: Hello Python
Received input is : Python

d.

None of the mentioned

Discuss
Answer: (a).Enter your input: Hello Python
Received input is : Hello Python
Q47.
What is the output of this program? 
str = input("Enter your input: ");
print "Received input is : ", str

a.

Enter your input: [x*5 for x in range(2,10,2)].
Received input is : [x*5 for x in range(2,10,2)].

b.

Enter your input: [x*5 for x in range(2,10,2)].
Received input is : [10, 30, 20, 40].

c.

Enter your input: [x*5 for x in range(2,10,2)].
Received input is : [10, 10, 30, 40].

d.

None of the mentioned

Discuss
Answer: (a).Enter your input: [x*5 for x in range(2,10,2)].
Received input is : [x*5 for x in range(2,10,2)].
Q48.
Which one of the following is not attributes of file

a.

closed

b.

softspace

c.

rename

d.

mode

Discuss
Answer: (c).rename
Q49.
What is the use of tell() method in python?

a.

tells you the current position within the file

b.

tells you the end position within the file

c.

tells you the file is opened or not

d.

none of the mentioned

Discuss
Answer: (a).tells you the current position within the file
Q50.
What is the current syntax of rename() a file?

a.

rename(current_file_name, new_file_name)

b.

rename(new_file_name, current_file_name,)

c.

rename(()(current_file_name, new_file_name))

d.

none of the mentioned

Discuss
Answer: (a).rename(current_file_name, new_file_name)
Page 5 of 10

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