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2020-21 XII CS PT1

Last updated over 5 years ago
17 questions
Note from the author:
Questions As per cbse for class XII including chapter revision python, function and text file handling
1

Is Python a Compiler language or an interactive language?

1

Consider the code. What will be the output?
b=12
d=b
If id(b)==id(d):
print(“Id are same”)
else:
print(“Id are not same”)

3

Find errors in the following code (if any) and correct the code by rewriting it and underlining the corrections:
x=int(“Enter value of x”)
for in range[0,11]:
if x=y
print x+y
Else:
Print x-y

3

Write the output of the following code when executed:
Text=“KVina@com”
Tl=len(Text)
NewText=“”
for i in range(0,Tl ):
if Text[i].isupper():
NewText=NewText+Text[i].lower()
elif Text[i].isalpha():
NewText=NewText+Text[i].upper()
else:
NewText=NewText+ “##”
print(NewText)

2

Write a python program to calculate the length of a string without using len() function.

3

What is the difference between mutable and immutable data types?. Name them.

2

Write a python program to create a dictionary containing a book I’d and title taken from the user.

1

Python can have three types of functions: Name them.

2

Write the forms to importing python module statements

2

What is the difference between local variables and global variables? Also give suitable python code to illustrate both.

3

What is an argument? How many types of actual arguments? Write name also.

2

Write a python function to sum all the items/numbers in a list.

2

What are the different file processing mode supported by python?

2

What is the difference between readline() and readlines() function?

3

Write a function countword() in python to read the text file “abc.txt” and count the number of times “is” occurs in the file.

3

Write a method in python to read lines from a text file “xyz.txt” and display those lines which start with the alphabet “H”

5

a) A ___________ function links the file object with the file on the disk.
b) A ___________ function breaks the link of the file object and the file on the disk.
c) A ___________ function read all lines and stores in the list.
d) A ___________ function is used to convert a sentence string into word list.
e) A ___________ function is used to write a list in a text file.