Prev Next

Dictionary Exercises

Practice what you've learned about dictionaries with these exercises.

Exercise 1: Merge Two Dictionaries

Write a Python program to merge two dictionaries.

Solution:

# Merging two dictionaries
dict1 = {"name": "Karthick AG", "age": 30}
dict2 = {"city": "Chennai", "email": "karthick@example.com"}
# Method 1: Using update()
dict1.update(dict2)
print("Merged Dictionary:", dict1)

Merged Dictionary: {'name': 'Karthick AG', 'age': 30, 'city': 'Chennai', 'email': 'karthick@example.com'}

Exercise 2: Access Nested Dictionary Items

Access the age of the employee with key 'emp2' from the nested dictionary.

Solution:

# Accessing nested dictionary items
employees = {
    "emp1": {"name": "Karthick AG", "age": 30},
    "emp2": {"name": "Durai", "age": 28}
}
age_emp2 = employees["emp2"]["age"]
print("Age of emp2:", age_emp2)

Age of emp2: 28

Exercise 3: Iterate Over Dictionaries

Write a Python program to iterate over dictionaries using for loops.

Solution:

# Iterating over dictionaries
person = {"name": "Vijay", "age": 25, "city": "Madurai"}
for key, value in person.items():
    print(f"{key} => {value}")

name => Vijay

age => 25

city => Madurai

Explanation: These exercises help reinforce the concepts of dictionary operations by applying them to practical problems.

Prev Next