File Handling Revision- Text file Handling Quiz 1

To open a file poem.txt for reading, the correct syntax is___________

• file=open('poem.txt','r')

• file=open(file='poem.txt','r')

• fileopen=('poem.txt','r')

• f=('poem.txt','w')

To read the entire contents of a text file as a string from a file object fobj , the correct syntax is _____________

• fobj.read()

• fobj.read(all)

• fobj.readlines()

• fobj.readline(18)

To read 18 characters from the file object fobj , the correct syntax is ____________.

• fobj.readlines(18)

• fobj.readchar(18)

• fobj.read(18)

• fobj.readline(18)

Mention the data type of variable check in the following statements?

a. check=f.read()

b. check=f.readline()

c. check=f.readlines()

• a. str b. str c. list

• a. list b. str c. list

• a. str b. list c. list

• a. str b. list c. str

'w+' mode will _________________

• first write the file by deleting the contents of the existing file, if the file exists.

• first read the file and then write the contents by deleting its contents, if the file exists.

• first write and then read the file contents, by deleting the contents of the file if the file exists.

• first read and then write the contents, by deleting the contents of the file if the file exists.

_____ function will break the link of file object and file on the disk

• open()

• read()

• write()

• close()

_____ function without any argument removes leading and trailing whitespaces.

• strip()

• lstrip()

• rstrip()

• trim()

______________ is the process of converting Python object hierarchy into a byte stream so that it can be written to a file

• Conversion

• Translation

• Serialization

• unpickling

Raju created a binary file, student.dat file using the file handle fh. He wants to enter the details of the student into the student.dat file in the form of list. Help him to complete the code.

import ____________ # line 1

f=open('emp.dat','wb') # line 2

rec1=[101,'Sridhar','15 yrs',560] # line 3

rec2=[102,'Sujata','15 yrs',580] # line 4

_____________________________ # line 5

_____________________________ # line 6

f.close() # line 7

• line 1: csv, line 5: f.write(rec1) , line 6: f.writerecord(rec2,f)

• line 1: pickle, line 5: f.dump(rec1) , line 6: f.dump(rec2,f)

• line 1: pickle, line 5: f,dump(rec1), line 6: f.dump(rec2)

• line 1: pickle, line 5: pickle.dump(rec1,f) , line 6: pickle.dump(rec2,f)

The __________ function returns the current position of file pointer in the file.

• tell()

• loc

• seek()

• pos()