Review

Which of the following statements are NOT true regarding the opening modes of a file?

• When you open a file for reading, if the file does not exist, an error occurs.

• When you open a file for writing, if the file does not exist, an error occurs

• When you open a file for writing, if the file does not exist, a new file is created.

• When you open a file for writing, if the file exists, the existing file is overwritten during the write

a=10

b=20

c=a+e

What kind of exception occurs here?

• NameError

• ValueError

• TypeError

• No Exception

Which function read single line at a time?

• read()

• read(n)

• readline()

• readlines()

Choose the correct statement to close a file stream named myfile:

• myfile.terminate()

• myfile.end()

• myfile.close()

• myfile.remove()

Which one is the powerful function used for formatting strings?

• chr( )

• format( )

• capitalize( )

What will the output be from the following code?
print("Hello" + "world" + "today")

• Helloworldtoday

• Hello world today

• "Hello" "world" "today"

• SyntaxError

Which file is not a binary file?

• student.mp4

• student.jpeg

• student.csv

• student.exe

What will be the output?

f=open('abc.txt','a')

text="xyz"

f.write(text)

f.close()

• Writing into the file without erasing old content

• Writing into the file by erasing old content

• reading from the file without erasing old content

• reading from the file by erasing old content

What will be the output from the following code?
print("3+4")

• 7

• 3+4

• 34

• SyntaxError

Which of these statements are true and which one is false?

A: Strings can be changed during execution

B: Strings can be enclosed within single, double or even triple quotes

C: Strings are immutable

• A,B & C are True

• A,B are True but C is False

• B, C are True but A is False

• A,C are True but B is False