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12th Computer Science Weekly Test - 1 ( Lists, Tuples, Sets and Dictionary )

St. Britto Hr. Sec. School - Madurai

12th Computer Science Weekly Test - 1 ( Lists, Tuples, Sets and Dictionary )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Iterating _______ is faster than list.

List
Set
Tuples
Dictionary ()

In python, ______ is an integer number which can be positive or negative.

Identifier
Keyword
Operators
Index value

Using sort (), the default sorting is

ascending
descending
no sorting
criteria sorting

Write the output for the following.
Tu = {1, 2, 4, 4, 5, 6}
print (Tu (4:))

4,5,6
6
5,6
4,4,5,6

Predict the output for the following.
mylist = [34, 45, 48]
print(mylist. append (90))

34, 45,48,90
90, 34, 45,48
34,45,90, 48
34,45,90,48

Write the output for the following.
A = {'A' 2, 4, 'D'}
B = {'A', 'B', 'C', 'D'}
print (B- A)

{'B, 'C'}
{2, 4}
(2, 4)
('B, 'C')

In list, the positive index number always begin with _______

Zero
One
-1
0.0

Which function is used to convert the result of range () function in to list?

convert()
range()
list()
listrange ()

A list is enclosed with _________

{ }
( )
< >
[ ]

Which of the following function used to include an element in a list at a desired position?

append ()
extend ()
insert ()
format()

Part - B

Generic 2 - Answer All Question

What is List in Python?

Write the syntax of deleting elements from the list .

Write the syntax of using for keyword to access all elements in the list. Pg 136 x 9

Name the four collections of data types in python programming language.
Write a program that reverse a list using a loop.

Write the output for the following code?

Part - C

Generic 3 - Answer All Question

Write a sort note about sort( ).

What are the advantages of Tuples over a list?

What will be the output of the following code?
list = [2**x for x in range(5)]
print(list)

Write a note on dictionary comprehension.
List out the set operations supported by python.

How will you change the list elements in Python? Give an example.

Part - D

Generic 5 - Answer All Question

Write a program to create a list of numbers in the range 1 to 10. Then delete all the even numbers from the list and print the final list.

Write a program to create a list of numbers in the range 1 to 10. Then delete all the odd numbers from the list and print the final list.
Write a python program to count the number of employees earning more than 1 lakh per annum. The monthly salaries of n number of employees are given.

Explain remove(), pop() and dear() used in list with an example.

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