prac 9.py

print (" ******** Madanraj SAGAR *******")

# 1. Create a dictionary
my_dict = {"name": "Alice", "age": 12, "city": "Wonderland"}
print("My dictionary:", my_dict)

# 2. Access dictionary items
print("Name:", my_dict["name"])
print("Age:", my_dict["age"])
print("City:", my_dict["city"])

# 3. Update dictionary
# Add a new key-value pair
my_dict["favorite_color"] = "purple"
print("Dictionary after adding favorite color:", my_dict)

# Update an existing value
my_dict["age"] = 13
print("Dictionary after updating age:", my_dict)

# Remove a key-value pair
del my_dict["city"]
print("Dictionary after removing city:", my_dict)

# 4. Delete the dictionary
# del my_dict
# print("Dictionary is now deleted.")

# 5. Looping through the dictionary

#looping through the keys.
print("\nLooping through keys:")
for key in my_dict:
    print(key)

#looping through values.
print("\nLooping through values:")
for value in my_dict.values():
    print(value)

#looping through keys and values.
print("\nLooping through keys and values:")
for key, value in my_dict.items():
    print(f"{key}: {value}")