Python/File Handling in Python section 2 Sample Test,Sample questions

 Ananya jotted down few features of the “append mode”. Help her to identify the valid features.

 Ananya was writing a program of reading data from csv file named “data.csv”. She writes the incomplete code. As a friend of Ananya help her to complete the code.
________ csv  #Statement1
f=open("data.csv", '_______')  #Statement2
d=csv.___________(f)  #Statement3
for __________ in d:  #Statement4
     print(row)
Identify the suitable option for Statement 1

 Correct syntax of tell( ) function is _________. #f is file object

 Fill in the blank in the given code:
>>> fo = open("myfile.txt",'w')
>>> lines = ["Hello 
", "Writing strings
", "third line"]
>>> fo._____________(lines)
>>>myobject.close() 

 How many functions are used in the given code?
fileobject=open("practice.txt","r")
str = fileobject.readline()
while str:
     print(str)
     str=fileobject.readline()
fileobject.close()

 Identify the statement which can not be interpret from the given code:f = open("test.dat", "ab+")

 Write the output of the following code:
f = open("data.txt","w")
L=["My
","name
","is
","amit"]
f.writelines(L)
f.close()
f = open("data.txt","r")
print(len(f.readline()))

 Write the output of the following code:
f = open("data.txt","w")
L=["My
","name
","is
","amit"]
f.writelines(L)
f.close()
f = open("data.txt","r")
print(len(f.readlines()))

 Write the output of the following:
f=open("test.txt","w+")
f.write("FileHandling")
f.seek(5)
a=f.read(5)
print(a)

Aman jotted down few features of the “write mode”. Help him to identify the valid features.

Amit has written the following statement. He is working with ______
f = open("data", "rb")

Chinki is writing a program to copy the data from “data.csv” to “temp.csv”. However she is getting some error in executing the following program due to some missing commands. Help her to execute it successfully.
import csv
f=open(“data.csv”,”r”)
f1=open(“temp.csv”,’__________’)        #Statement 1
d=csv._________(f)         #Statement 2
d1=csv.writer(f1)
for i in d:
        ___________.writerow(i)              #Statement3
f.close( )
f1.close( )

Fill in the blank in the given code :
import pickle
f = open("data.dat", "rb")
l = pickle._______(f)
print(l)
f.close()

import pickle
f = open("data.dat", "wb")
L = [1, 2, 3]
pickle._______
f.close()

In order to read the content from the file, we can open file in ___________

In reference to the code given below, the file object will move _______ bytes.
file_object.seek(10, 0)

Mohan wants to open the file to add some more content in the already existing file. Suggest him the suitable mode to open the file.

Ravi is writing a program for counting the number of words in a text file named “data.txt”. He has written the incomplete code. Help him to complete the code.
f = open("_________","r") # Statement 1
d = f._________ # Statement 2
nw = d._________ # Statement 3
print("Number of words are", _________(nw)) # Statement 4
Identify the suitable code for blank space in the line marked as Statement 1

Ravi wants to move the file object 5 bytes from the current position of the file object. As a friend of Ravi, help him to write the code.

Rohan opened the file “myfile.txt” by using the following syntax. His friend told him few advantages of the given syntax. Help him to identify the correct advantage.
with open ("myfile.txt", "a") as file_object:

Sanjeev has written a program which is showing an error. As a friend of Sanjeev, help him to identify the wrong statement.
f=open("test.txt","w") #Statement1
L = ["My name
", "is
", "Amit"] #Statement2
f.writeline(L) #Statement3
f.close() #Statement4

Select the correct statement about the code given below:
>>> myobj=open("myfile.txt", 'r')
>>> print(myobj.readlines())

The syntax of seek() is: file_object.seek(offset [, reference_point]). ___________________ value of reference_point indicate end of file

Which module is to be imported for CSV file?

Which module is to be imported for working in binary file?
 

Which of the following error is returned by the given code:
>>> f = open("test.txt","w")
>>> f.write(345)

Which of the following function return the data of the file in the form of list?

Which of the following method does not return the number of characters written in the file.

Which of the following method is used to clear the buffer?

Which of the following method is used to read a specified number of bytes of data from a data file.

Which of the following method reads one complete line from a file?

Which of the following method returns an integer value?

Which of the following methods can be used to write data in the file?

Which of the following option is correct?

Which of the following statement is wrong in reference to Text file?

Which of the following statement open the file “marker.txt” as a blank file?

Which of the following statement open the file “marker.txt” so that we can read existing content from file?

Which of the following statement will return attribute error?

Write the output of the following code :
import csv
f = open(“data.csv”, ‘r’)
row = csv.reader(f)
print(row)  

Write the output of the following code:
f = open("data.txt","w")
L=["My
","name
","is
","amit"]
f.writelines(L)
f.close()
f = open("data.txt","r")
print(len(f.read()))

Write the output of the following code:
f=open("test.txt","w+")
f.write("My name is Amit
")
f.seek(5,0)
a=f.read(5)
print(a)

Write the output of the following:
>>> f = open("test.txt","w")
>>> f.write("File
#Handling")

Write the output of the following:
f=open("test.txt","r")
print(f.tell())

Write the output of the following:
f=open("test.txt","r")
print(f.tell(),end="6")
f.seek(5)
print(f.tell())

Write the output of the following:
f=open("test.txt","w+")
f.write("File
Handling")
f.seek(0)
a=f.readline(-1)
print(a)

Write the output of the following:
f=open("test.txt","w+")
f.write("File
Handling")
f.seek(0)
a=f.readline(2)
print(a)

Write the output of the following:
f=open("test.txt","w+")
f.write("File-Handling")
a=f.read(5)
print(a)

Write the output of the following:
f=open("test.txt","w+")
f.write("FileHandling")
f.seek(0)
a=f.read()
print(a)

Write the output of the following:
f=open("test.txt","w+")
f.write("FileHandling")
f.seek(0)
a=f.read(-1)
print(a)

Write the output of the following:
f=open("test.txt","w+")
L = ["My name
", "is
", "Amit"]
f.writelines(L)
f.seek(0)
a=f.readlines()
print(type(a))

Write the output of the second print statement of the given code:
f=open("test.txt","r")
print(f.read())
f.seek(7)
print(f.read())

Output of first print statement is : MynameisAmit

_____ method is used to position the file object at a particular position in a file.

______ method is used to read data from a binary file.

_______ function help us to read the csv file.

________ method is used to write the objects in a binary file.

________ refers to the process of converting the structure to a byte stream before writing it to the file.

__________________ function returns an integer that specifies the current position of the file object in the file.