Page 281 - CTS - CSA TP - Volume 2

COMPUTER SOFTWARE APPLICATION - CITS

TASK 5: Dictionary Comprehension
# Dictionary comprehension

squared_numbers = {x: x**2for x inrange(1, 6)}
print(“Squared Numbers:”, squared_numbers)
Explanation:
• A dictionary is created using dictionary comprehension to store squared numbers from 1 to 5.

Output
Related Exercises:
1 Write a Python program to create an empty dictionary.
2 Create a dictionary with three key-value pairs representing student information (name, age, grade).
3 Access and print the value associated with the ‘age’ key in the student dictionary.

4 Modify the student dictionary to update the age to 22.
5 Add a new key-value pair to the student dictionary for the ‘course’ with the value ‘Computer Science’.
6 Remove the ‘grade’ key from the student dictionary if it exists.
7 Write a loop to iterate through the key-value pairs in the student dictionary and print them.
8 Use the keys(), values(), and items() methods to display the keys, values, and key-value pairs of the student
dictionary.

266

CITS : IT & ITES - Computer Software Application - Exercise 128